When Should You Go Out in the Sun?

[Guest guest]

When Should You Go Out in the Sun?

New research shows that to get an optimal vitamin D supplement from

the sun at a minimal risk of getting cutaneous malignant melanoma (CMM), the

best time of sun exposure is noon.

That means that common health recommendations given by authorities in

many countries -- that sun exposure should be avoided for three to five

hours around noon and postponed to the afternoon -- could be wrong and may

even promote CMM.

This is in part because the action spectrum for CMM is likely to be

centered at longer wavelengths than that of vitamin D generation.

Sources:

a.. Advanced Experiments in Medical Biology 2008; 624: 86-88

Dr. Mercola's Comments:

This is an update for my own personal knowledge as for many

years I have advised people to avoid the sun from 10 a.m. to 2 p.m. if they

were at risk of sunburn. Well it turns out that this is the case where a

little bit of knowledge can actually be dangerous.

Cutaneous malignant melanoma (CMM) is the most serious form of

skin cancer, accounting for about three-quarters of all skin cancer deaths.

New research now supports that while avoiding the sun at mid-day

will decrease your risk of painful sunburn it will actually increase your

cancer risk.

How can this be?

If you are a member of my Mercola Inner Circle, and you listened

to last month's expert interview with Dr. Grant, internationally

recognized research scientist and vitamin D expert, you already have your

answer.

Though he was not an author of the study above, his research

found the same findings: that going out in the sun at mid-day is best for

your health.

" Our recommendation, this is based on work in England and

Norway, and the United States, that the optimal time to be in the sun for

vitamin D production is near to solar noon as possible. That would be

between say 10:00am and 2:00pm.

The reason is two-fold.

First of all, you need a shorter exposure time because the UVB

is more intense.

Now, the second reason is that when the sun goes down towards

the horizon, the UVB is filtered out much more than the UVA. And it turns

out that the long wave of ultraviolet called UVA, which runs from about 320

to 400 nanometers, is highly correlated with melanoma -- where the UVB is

the one that produces the vitamin D, and that's from 290 to 315 nanometers, "

Dr. Grant explains.

This is truly a profound concept, and one that is just beginning

to permeate through the mainstream media.

For instance, U.S. News & World Report featured an article on

time in the sun, and in it Robyn Lucas, an epidemiologist at Australian

National University, agreed with these findings.

" I believe we all need a little unprotected time in the sun

during the middle hours of the day when the sun is at its highest and UV-B

rays can penetrate the atmosphere, " she said.

So let me restate this crucial new information:

If you want to get out in the sun to maximize your vitamin D

production, and minimize your risk of malignant melanoma, the middle of the

day is the best time and safest time to go.

" Squamous cell carcinoma is linked to lifetime ultraviolet B

irradiants, whereas melanoma is linked to lifetime UVA irradiants, or

sporadic sun burning in youth and things like that, " Dr. Grant says. " And so

dermatologists, by telling people to put on sunscreen and avoid the mid-day

sun, were actually giving recommendations that led to increased melanoma.

And it's because they didn't carefully look at the wavelength dependents

related to melanoma. And so they just didn't figure out that they were

giving bad advice. "

Both UVA and UVB can cause tanning and burning, although UVB

does so far more rapidly. UVA, however, penetrates your skin more deeply

than UVB, and is thought to be a much more important factor in photoaging,

wrinkles and skin cancers.

Going Out in the Sun Will Lower Your Cancer Risk . NOT Increase

It

Getting about 2,000 IU to 4,000 IU a day of vitamin D can help

you to reduce your cancer risk by up to 50 percent!

And according to Dr. Grant, about 30 percent of cancer deaths --

which amounts to 2 million worldwide and 200,000 in the United States --

could be prevented each year with higher levels of vitamin D.

However, most people only get 250-300 IU a day from their diet,

so another source -- ideally the sun -- is essential.

How Long You Spend in the Sun is Also Critical

A common myth, aside from that of avoiding the mid-day sun, is

that occasional exposure of your face and hands to sunlight is " sufficient "

for obtaining healthy vitamin D levels. For most of us, this is an miserably

inadequate exposure to move vitamin levels to the healthy range.

You need to expose large portions of your skin to the sun, and

you need to do it for more than a few minutes.

In Caucasian skin, an equilibrium occurs within 20 minutes of

ultraviolet exposure. It can take three to six times longer for darkly

pigmented skin to reach the equilibrium concentration of skin vitamin D. So,

bearing in mind that you need to gradually increase your time, starting in

the spring, you should be aiming toward exposing large areas of your skin to

the sun, anywhere from 20 minutes at a time to two hours at a time,

depending on your skin type and environmental factors.

Longer exposures will be needed if sunbathing occurs at off-peak

times for ultraviolet light (before 12 p.m. or after 3 p.m.) or at the

beginning or end of the summer (April or September).

You're probably wondering, now that fall and winter are

approaching in the United States, what to do when it's too cold for sun

exposure.

In the winter months, if you've had your vitamin D levels tested

and found them to be low, a vitamin D3 supplement (cholecalciferol), which

is the type of vitamin D found naturally in foods like eggs, organ meats,

animal fat, cod liver oil, and fish, can be used. Continue to have your

vitamin D levels monitored during this time, though, so you don't overdose.

To learn more about how to use sunlight for your health -- and

the dangers of not getting enough -- keep an eye out for my new book, Dark

Deception, which is coming out shortly.

Related Articles:

What's the Most Dangerous Part of Sun Exposure?

Sunscreens Don't Provide the Protection They Claim

Daily Sunlight Can Keep Cancer Away

[Guest guest]

I believe people that are B vitamin deficient burn easily.

Kirk

stardora@... wrote:

When Should You Go Out in the Sun?

New research shows that to get an optimal vitamin D supplement from

the sun at a minimal risk of getting cutaneous malignant melanoma (CMM), the

best time of sun exposure is noon.

That means that common health recommendations given by authorities in

many countries -- that sun exposure should be avoided for three to five

hours around noon and postponed to the afternoon -- could be wrong and may

even promote CMM.

This is in part because the action spectrum for CMM is likely to be

centered at longer wavelengths than that of vitamin D generation.

Sources:

a.. Advanced Experiments in Medical Biology 2008; 624: 86-88

Dr. Mercola's Comments:

This is an update for my own personal knowledge as for many

years I have advised people to avoid the sun from 10 a.m. to 2 p.m. if they

were at risk of sunburn. Well it turns out that this is the case where a

little bit of knowledge can actually be dangerous.

Cutaneous malignant melanoma (CMM) is the most serious form of

skin cancer, accounting for about three-quarters of all skin cancer deaths.

New research now supports that while avoiding the sun at mid-day

will decrease your risk of painful sunburn it will actually increase your

cancer risk.

How can this be?

If you are a member of my Mercola Inner Circle, and you listened

to last month's expert interview with Dr. Grant, internationally

recognized research scientist and vitamin D expert, you already have your

answer.

Though he was not an author of the study above, his research

found the same findings: that going out in the sun at mid-day is best for

your health.

" Our recommendation, this is based on work in England and

Norway, and the United States, that the optimal time to be in the sun for

vitamin D production is near to solar noon as possible. That would be

between say 10:00am and 2:00pm.

The reason is two-fold.

First of all, you need a shorter exposure time because the UVB

is more intense.

Now, the second reason is that when the sun goes down towards

the horizon, the UVB is filtered out much more than the UVA. And it turns

out that the long wave of ultraviolet called UVA, which runs from about 320

to 400 nanometers, is highly correlated with melanoma -- where the UVB is

the one that produces the vitamin D, and that's from 290 to 315 nanometers, "

Dr. Grant explains.

This is truly a profound concept, and one that is just beginning

to permeate through the mainstream media.

For instance, U.S. News & World Report featured an article on

time in the sun, and in it Robyn Lucas, an epidemiologist at Australian

National University, agreed with these findings.

" I believe we all need a little unprotected time in the sun

during the middle hours of the day when the sun is at its highest and UV-B

rays can penetrate the atmosphere, " she said.

So let me restate this crucial new information:

If you want to get out in the sun to maximize your vitamin D

production, and minimize your risk of malignant melanoma, the middle of the

day is the best time and safest time to go.

" Squamous cell carcinoma is linked to lifetime ultraviolet B

irradiants, whereas melanoma is linked to lifetime UVA irradiants, or

sporadic sun burning in youth and things like that, " Dr. Grant says. " And so

dermatologists, by telling people to put on sunscreen and avoid the mid-day

sun, were actually giving recommendations that led to increased melanoma.

And it's because they didn't carefully look at the wavelength dependents

related to melanoma. And so they just didn't figure out that they were

giving bad advice. "

Both UVA and UVB can cause tanning and burning, although UVB

does so far more rapidly. UVA, however, penetrates your skin more deeply

than UVB, and is thought to be a much more important factor in photoaging,

wrinkles and skin cancers.

Going Out in the Sun Will Lower Your Cancer Risk . NOT Increase

It

Getting about 2,000 IU to 4,000 IU a day of vitamin D can help

you to reduce your cancer risk by up to 50 percent!

And according to Dr. Grant, about 30 percent of cancer deaths --

which amounts to 2 million worldwide and 200,000 in the United States --

could be prevented each year with higher levels of vitamin D.

However, most people only get 250-300 IU a day from their diet,

so another source -- ideally the sun -- is essential.

How Long You Spend in the Sun is Also Critical

A common myth, aside from that of avoiding the mid-day sun, is

that occasional exposure of your face and hands to sunlight is " sufficient "

for obtaining healthy vitamin D levels. For most of us, this is an miserably

inadequate exposure to move vitamin levels to the healthy range.

You need to expose large portions of your skin to the sun, and

you need to do it for more than a few minutes.

In Caucasian skin, an equilibrium occurs within 20 minutes of

ultraviolet exposure. It can take three to six times longer for darkly

pigmented skin to reach the equilibrium concentration of skin vitamin D. So,

bearing in mind that you need to gradually increase your time, starting in

the spring, you should be aiming toward exposing large areas of your skin to

the sun, anywhere from 20 minutes at a time to two hours at a time,

depending on your skin type and environmental factors.

Longer exposures will be needed if sunbathing occurs at off-peak

times for ultraviolet light (before 12 p.m. or after 3 p.m.) or at the

beginning or end of the summer (April or September).

You're probably wondering, now that fall and winter are

approaching in the United States, what to do when it's too cold for sun

exposure.

In the winter months, if you've had your vitamin D levels tested

and found them to be low, a vitamin D3 supplement (cholecalciferol), which

is the type of vitamin D found naturally in foods like eggs, organ meats,

animal fat, cod liver oil, and fish, can be used. Continue to have your

vitamin D levels monitored during this time, though, so you don't overdose.

To learn more about how to use sunlight for your health -- and

the dangers of not getting enough -- keep an eye out for my new book, Dark

Deception, which is coming out shortly.

Related Articles:

What's the Most Dangerous Part of Sun Exposure?

Sunscreens Don't Provide the Protection They Claim

Daily Sunlight Can Keep Cancer Away

[Guest guest]

Do you think so based on experience?

Kirk McLoren wrote:

>

> I believe people that are B vitamin deficient burn easily.

> Kirk

>

> stardora@... <mailto:stardora%40bellsouth.net> wrote:

> When Should You Go Out in the Sun?

>

> New research shows that to get an optimal vitamin D supplement from

> the sun at a minimal risk of getting cutaneous malignant melanoma

> (CMM), the

> best time of sun exposure is noon.

>

> That means that common health recommendations given by authorities in

> many countries -- that sun exposure should be avoided for three to five

> hours around noon and postponed to the afternoon -- could be wrong and

> may

> even promote CMM.

>

> This is in part because the action spectrum for CMM is likely to be

> centered at longer wavelengths than that of vitamin D generation.

> Sources:

> a.. Advanced Experiments in Medical Biology 2008; 624: 86-88

>

> Dr. Mercola's Comments:

>

> This is an update for my own personal knowledge as for many

> years I have advised people to avoid the sun from 10 a.m. to 2 p.m. if

> they

> were at risk of sunburn. Well it turns out that this is the case where a

> little bit of knowledge can actually be dangerous.

>

> Cutaneous malignant melanoma (CMM) is the most serious form of

> skin cancer, accounting for about three-quarters of all skin cancer

> deaths.

>

> New research now supports that while avoiding the sun at mid-day

> will decrease your risk of painful sunburn it will actually increase your

> cancer risk.

>

> How can this be?

>

> If you are a member of my Mercola Inner Circle, and you listened

> to last month's expert interview with Dr. Grant, internationally

> recognized research scientist and vitamin D expert, you already have your

> answer.

>

> Though he was not an author of the study above, his research

> found the same findings: that going out in the sun at mid-day is best for

> your health.

>

> " Our recommendation, this is based on work in England and

> Norway, and the United States, that the optimal time to be in the sun for

> vitamin D production is near to solar noon as possible. That would be

> between say 10:00am and 2:00pm.

>

> The reason is two-fold.

>

> First of all, you need a shorter exposure time because the UVB

> is more intense.

>

> Now, the second reason is that when the sun goes down towards

> the horizon, the UVB is filtered out much more than the UVA. And it turns

> out that the long wave of ultraviolet called UVA, which runs from

> about 320

> to 400 nanometers, is highly correlated with melanoma -- where the UVB is

> the one that produces the vitamin D, and that's from 290 to 315

> nanometers, "

> Dr. Grant explains.

>

> This is truly a profound concept, and one that is just beginning

> to permeate through the mainstream media.

>

> For instance, U.S. News & World Report featured an article on

> time in the sun, and in it Robyn Lucas, an epidemiologist at Australian

> National University, agreed with these findings.

>

> " I believe we all need a little unprotected time in the sun

> during the middle hours of the day when the sun is at its highest and

> UV-B

> rays can penetrate the atmosphere, " she said.

>

> So let me restate this crucial new information:

>

> If you want to get out in the sun to maximize your vitamin D

> production, and minimize your risk of malignant melanoma, the middle

> of the

> day is the best time and safest time to go.

>

> " Squamous cell carcinoma is linked to lifetime ultraviolet B

> irradiants, whereas melanoma is linked to lifetime UVA irradiants, or

> sporadic sun burning in youth and things like that, " Dr. Grant says.

> " And so

> dermatologists, by telling people to put on sunscreen and avoid the

> mid-day

> sun, were actually giving recommendations that led to increased melanoma.

> And it's because they didn't carefully look at the wavelength dependents

> related to melanoma. And so they just didn't figure out that they were

> giving bad advice. "

>

> Both UVA and UVB can cause tanning and burning, although UVB

> does so far more rapidly. UVA, however, penetrates your skin more deeply

> than UVB, and is thought to be a much more important factor in

> photoaging,

> wrinkles and skin cancers.

>

> Going Out in the Sun Will Lower Your Cancer Risk . NOT Increase

> It

>

> Getting about 2,000 IU to 4,000 IU a day of vitamin D can help

> you to reduce your cancer risk by up to 50 percent!

>

> And according to Dr. Grant, about 30 percent of cancer deaths --

> which amounts to 2 million worldwide and 200,000 in the United States --

> could be prevented each year with higher levels of vitamin D.

>

> However, most people only get 250-300 IU a day from their diet,

> so another source -- ideally the sun -- is essential.

>

> How Long You Spend in the Sun is Also Critical

>

> A common myth, aside from that of avoiding the mid-day sun, is

> that occasional exposure of your face and hands to sunlight is

> " sufficient "

> for obtaining healthy vitamin D levels. For most of us, this is an

> miserably

> inadequate exposure to move vitamin levels to the healthy range.

>

> You need to expose large portions of your skin to the sun, and

> you need to do it for more than a few minutes.

>

> In Caucasian skin, an equilibrium occurs within 20 minutes of

> ultraviolet exposure. It can take three to six times longer for darkly

> pigmented skin to reach the equilibrium concentration of skin vitamin

> D. So,

> bearing in mind that you need to gradually increase your time,

> starting in

> the spring, you should be aiming toward exposing large areas of your

> skin to

> the sun, anywhere from 20 minutes at a time to two hours at a time,

> depending on your skin type and environmental factors.

>

> Longer exposures will be needed if sunbathing occurs at off-peak

> times for ultraviolet light (before 12 p.m. or after 3 p.m.) or at the

> beginning or end of the summer (April or September).

>

> You're probably wondering, now that fall and winter are

> approaching in the United States, what to do when it's too cold for sun

> exposure.

>

> In the winter months, if you've had your vitamin D levels tested

> and found them to be low, a vitamin D3 supplement (cholecalciferol),

> which

> is the type of vitamin D found naturally in foods like eggs, organ meats,

> animal fat, cod liver oil, and fish, can be used. Continue to have your

> vitamin D levels monitored during this time, though, so you don't

> overdose.

>

> To learn more about how to use sunlight for your health -- and

> the dangers of not getting enough -- keep an eye out for my new book,

> Dark

> Deception, which is coming out shortly.

>

> Related Articles:

>

> What's the Most Dangerous Part of Sun Exposure?

>

> Sunscreens Don't Provide the Protection They Claim

>

> Daily Sunlight Can Keep Cancer Away

>

>

[Guest guest]

yes.

also

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1990919

B12 sunburn cure

and

http://www.doctorajadams.com/AllerB.html

Helps protect against sunburn and skin cancer

http://blog.vitaminupdate.com/2007/02/vitamins-c-and-e-protect-against.html

Dermatologists at Ludwig Maximilians University in Germany have found that

people who take the antioxidant vitamins C and E have a higher threshold for

sunburn reaction.

I suppose the protection is in the form of free radical suppression as well as

better healing rates. I used to have a sensitive spot on my left arm that would

look bad (looked like precancerous) with exposure. I started taking a GOOD

multivitamin and the skin is much improved even when I drive a long ways.

Apricot85 <apricot85@...> wrote:

Do you think so based on experience?

Kirk McLoren wrote:

>

> I believe people that are B vitamin deficient burn easily.

> Kirk

>

> stardora@... wrote:

> When Should You Go Out in the Sun?

>

> New research shows that to get an optimal vitamin D supplement from

> the sun at a minimal risk of getting cutaneous malignant melanoma

> (CMM), the

> best time of sun exposure is noon.

>

> That means that common health recommendations given by authorities in

> many countries -- that sun exposure should be avoided for three to five

> hours around noon and postponed to the afternoon -- could be wrong and

> may

> even promote CMM.

>

> This is in part because the action spectrum for CMM is likely to be

> centered at longer wavelengths than that of vitamin D generation.

> Sources:

> a.. Advanced Experiments in Medical Biology 2008; 624: 86-88

>

> Dr. Mercola's Comments:

>

> This is an update for my own personal knowledge as for many

> years I have advised people to avoid the sun from 10 a.m. to 2 p.m. if

> they

> were at risk of sunburn. Well it turns out that this is the case where a

> little bit of knowledge can actually be dangerous.

>

> Cutaneous malignant melanoma (CMM) is the most serious form of

> skin cancer, accounting for about three-quarters of all skin cancer

> deaths.

>

> New research now supports that while avoiding the sun at mid-day

> will decrease your risk of painful sunburn it will actually increase your

> cancer risk.

>

> How can this be?

>

> If you are a member of my Mercola Inner Circle, and you listened

> to last month's expert interview with Dr. Grant, internationally

> recognized research scientist and vitamin D expert, you already have your

> answer.

>

> Though he was not an author of the study above, his research

> found the same findings: that going out in the sun at mid-day is best for

> your health.

>

> " Our recommendation, this is based on work in England and

> Norway, and the United States, that the optimal time to be in the sun for

> vitamin D production is near to solar noon as possible. That would be

> between say 10:00am and 2:00pm.

>

> The reason is two-fold.

>

> First of all, you need a shorter exposure time because the UVB

> is more intense.

>

> Now, the second reason is that when the sun goes down towards

> the horizon, the UVB is filtered out much more than the UVA. And it turns

> out that the long wave of ultraviolet called UVA, which runs from

> about 320

> to 400 nanometers, is highly correlated with melanoma -- where the UVB is

> the one that produces the vitamin D, and that's from 290 to 315

> nanometers, "

> Dr. Grant explains.

>

> This is truly a profound concept, and one that is just beginning

> to permeate through the mainstream media.

>

> For instance, U.S. News & World Report featured an article on

> time in the sun, and in it Robyn Lucas, an epidemiologist at Australian

> National University, agreed with these findings.

>

> " I believe we all need a little unprotected time in the sun

> during the middle hours of the day when the sun is at its highest and

> UV-B

> rays can penetrate the atmosphere, " she said.

>

> So let me restate this crucial new information:

>

> If you want to get out in the sun to maximize your vitamin D

> production, and minimize your risk of malignant melanoma, the middle

> of the

> day is the best time and safest time to go.

>

> " Squamous cell carcinoma is linked to lifetime ultraviolet B

> irradiants, whereas melanoma is linked to lifetime UVA irradiants, or

> sporadic sun burning in youth and things like that, " Dr. Grant says.

> " And so

> dermatologists, by telling people to put on sunscreen and avoid the

> mid-day

> sun, were actually giving recommendations that led to increased melanoma.

> And it's because they didn't carefully look at the wavelength dependents

> related to melanoma. And so they just didn't figure out that they were

> giving bad advice. "

>

> Both UVA and UVB can cause tanning and burning, although UVB

> does so far more rapidly. UVA, however, penetrates your skin more deeply

> than UVB, and is thought to be a much more important factor in

> photoaging,

> wrinkles and skin cancers.

>

> Going Out in the Sun Will Lower Your Cancer Risk . NOT Increase

> It

>

> Getting about 2,000 IU to 4,000 IU a day of vitamin D can help

> you to reduce your cancer risk by up to 50 percent!

>

> And according to Dr. Grant, about 30 percent of cancer deaths --

> which amounts to 2 million worldwide and 200,000 in the United States --

> could be prevented each year with higher levels of vitamin D.

>

> However, most people only get 250-300 IU a day from their diet,

> so another source -- ideally the sun -- is essential.

>

> How Long You Spend in the Sun is Also Critical

>

> A common myth, aside from that of avoiding the mid-day sun, is

> that occasional exposure of your face and hands to sunlight is

> " sufficient "

> for obtaining healthy vitamin D levels. For most of us, this is an

> miserably

> inadequate exposure to move vitamin levels to the healthy range.

>

> You need to expose large portions of your skin to the sun, and

> you need to do it for more than a few minutes.

>

> In Caucasian skin, an equilibrium occurs within 20 minutes of

> ultraviolet exposure. It can take three to six times longer for darkly

> pigmented skin to reach the equilibrium concentration of skin vitamin

> D. So,

> bearing in mind that you need to gradually increase your time,

> starting in

> the spring, you should be aiming toward exposing large areas of your

> skin to

> the sun, anywhere from 20 minutes at a time to two hours at a time,

> depending on your skin type and environmental factors.

>

> Longer exposures will be needed if sunbathing occurs at off-peak

> times for ultraviolet light (before 12 p.m. or after 3 p.m.) or at the

> beginning or end of the summer (April or September).

>

> You're probably wondering, now that fall and winter are

> approaching in the United States, what to do when it's too cold for sun

> exposure.

>

> In the winter months, if you've had your vitamin D levels tested

> and found them to be low, a vitamin D3 supplement (cholecalciferol),

> which

> is the type of vitamin D found naturally in foods like eggs, organ meats,

> animal fat, cod liver oil, and fish, can be used. Continue to have your

> vitamin D levels monitored during this time, though, so you don't

> overdose.

>

> To learn more about how to use sunlight for your health -- and

> the dangers of not getting enough -- keep an eye out for my new book,

> Dark

> Deception, which is coming out shortly.

>

> Related Articles:

>

> What's the Most Dangerous Part of Sun Exposure?

>

> Sunscreens Don't Provide the Protection They Claim

>

> Daily Sunlight Can Keep Cancer Away

>

>

[Guest guest]

In many ways, Kirk is correct in his questioning what drugs actually

are. Personally, I generally take exception to the term, " good

multivitamin. " For example, Centrum Silver is, in fact, a health drug

IMHO. That is, it is marketed by a big corporation that is unconcerned

about its actual health affects. The manufacturer is mainly concerned

that its published contents show high percentages of RDAs and that they

satisfy the FDA which is equally unconcerned. Further, Centrum Silver

is designed to make people feel like they are doings something about

their health without actually putting in any effort on their own. When

Dr. Mercola says, " Take charge of your health " , he is not advocating

that you drop everything to go down to the drugstore and buy Centrum

Silver. Almost all multivitamins (and certainly Centrum Silver) include

metallic minerals and synthetic drugs. The few that don't cost much

more and require 8 to 14 time times higher amounts in order to meet

their published label RDA's... which only makes sense. Synthetic

vitamins can actually exacerbate many health conditions and in some

cases actually cause health problems. They may be better than targeted

drugs, but barely. This is where Kirk is correct and the issue begins

to cloud.

Kirk McLoren wrote:

> yes.

>

> also

> http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1990919

> <http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1990919>

> B12 sunburn cure

> and

> http://www.doctorajadams.com/AllerB.html

> <http://www.doctorajadams.com/AllerB.html>

> Helps protect against sunburn and skin cancer

>

> http://blog.vitaminupdate.com/2007/02/vitamins-c-and-e-protect-against.html

> <http://blog.vitaminupdate.com/2007/02/vitamins-c-and-e-protect-against.html>

> Dermatologists at Ludwig Maximilians University in Germany have found

> that people who take the antioxidant vitamins C and E have a higher

> threshold for sunburn reaction.

>

> I suppose the protection is in the form of free radical suppression as

> well as better healing rates. I used to have a sensitive spot on my

> left arm that would look bad (looked like precancerous) with exposure.

> I started taking a GOOD multivitamin and the skin is much improved

> even when I drive a long ways.

>

>

> Apricot85 <apricot85@... <mailto:apricot85%40rcn.com>> wrote:

> Do you think so based on experience?

>

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[Guest guest]

Wow, those were interesting references, Kirk. Thanks! It's great to

read your experience too. Thanks again for your time in posting all this.

Kirk McLoren wrote:

>

> yes.

>

> also

> http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1990919

> <http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1990919>

> B12 sunburn cure

> and

> http://www.doctorajadams.com/AllerB.html

> <http://www.doctorajadams.com/AllerB.html>

> Helps protect against sunburn and skin cancer

>

> http://blog.vitaminupdate.com/2007/02/vitamins-c-and-e-protect-against.html

> <http://blog.vitaminupdate.com/2007/02/vitamins-c-and-e-protect-against.html>

> Dermatologists at Ludwig Maximilians University in Germany have found

> that people who take the antioxidant vitamins C and E have a higher

> threshold for sunburn reaction.

>

> I suppose the protection is in the form of free radical suppression as

> well as better healing rates. I used to have a sensitive spot on my

> left arm that would look bad (looked like precancerous) with exposure.

> I started taking a GOOD multivitamin and the skin is much improved

> even when I drive a long ways.

>

>

> Apricot85 <apricot85@... <mailto:apricot85%40rcn.com>> wrote:

> Do you think so based on experience?

>

> Kirk McLoren wrote:

> >

> > I believe people that are B vitamin deficient burn easily.

> > Kirk

> >

> > stardora@... <mailto:stardora%40bellsouth.net> wrote:

> > When Should You Go Out in the Sun?

> >

> > New research shows that to get an optimal vitamin D supplement from

> > the sun at a minimal risk of getting cutaneous malignant melanoma

> > (CMM), the

> > best time of sun exposure is noon.

> >

> > That means that common health recommendations given by authorities in

> > many countries -- that sun exposure should be avoided for three to five

> > hours around noon and postponed to the afternoon -- could be wrong and

> > may

> > even promote CMM.

> >

> > This is in part because the action spectrum for CMM is likely to be

> > centered at longer wavelengths than that of vitamin D generation.

> > Sources:

> > a.. Advanced Experiments in Medical Biology 2008; 624: 86-88

> >

> > Dr. Mercola's Comments:

> >

> > This is an update for my own personal knowledge as for many

> > years I have advised people to avoid the sun from 10 a.m. to 2 p.m. if

> > they

> > were at risk of sunburn. Well it turns out that this is the case where a

> > little bit of knowledge can actually be dangerous.

> >

> > Cutaneous malignant melanoma (CMM) is the most serious form of

> > skin cancer, accounting for about three-quarters of all skin cancer

> > deaths.

> >

> > New research now supports that while avoiding the sun at mid-day

> > will decrease your risk of painful sunburn it will actually increase

> your

> > cancer risk.

> >

> > How can this be?

> >

> > If you are a member of my Mercola Inner Circle, and you listened

> > to last month's expert interview with Dr. Grant, internationally

> > recognized research scientist and vitamin D expert, you already have

> your

> > answer.

> >

> > Though he was not an author of the study above, his research

> > found the same findings: that going out in the sun at mid-day is

> best for

> > your health.

> >

> > " Our recommendation, this is based on work in England and

> > Norway, and the United States, that the optimal time to be in the

> sun for

> > vitamin D production is near to solar noon as possible. That would be

> > between say 10:00am and 2:00pm.

> >

> > The reason is two-fold.

> >

> > First of all, you need a shorter exposure time because the UVB

> > is more intense.

> >

> > Now, the second reason is that when the sun goes down towards

> > the horizon, the UVB is filtered out much more than the UVA. And it

> turns

> > out that the long wave of ultraviolet called UVA, which runs from

> > about 320

> > to 400 nanometers, is highly correlated with melanoma -- where the

> UVB is

> > the one that produces the vitamin D, and that's from 290 to 315

> > nanometers, "

> > Dr. Grant explains.

> >

> > This is truly a profound concept, and one that is just beginning

> > to permeate through the mainstream media.

> >

> > For instance, U.S. News & World Report featured an article on

> > time in the sun, and in it Robyn Lucas, an epidemiologist at Australian

> > National University, agreed with these findings.

> >

> > " I believe we all need a little unprotected time in the sun

> > during the middle hours of the day when the sun is at its highest and

> > UV-B

> > rays can penetrate the atmosphere, " she said.

> >

> > So let me restate this crucial new information:

> >

> > If you want to get out in the sun to maximize your vitamin D

> > production, and minimize your risk of malignant melanoma, the middle

> > of the

> > day is the best time and safest time to go.

> >

> > " Squamous cell carcinoma is linked to lifetime ultraviolet B

> > irradiants, whereas melanoma is linked to lifetime UVA irradiants, or

> > sporadic sun burning in youth and things like that, " Dr. Grant says.

> > " And so

> > dermatologists, by telling people to put on sunscreen and avoid the

> > mid-day

> > sun, were actually giving recommendations that led to increased

> melanoma.

> > And it's because they didn't carefully look at the wavelength dependents

> > related to melanoma. And so they just didn't figure out that they were

> > giving bad advice. "

> >

> > Both UVA and UVB can cause tanning and burning, although UVB

> > does so far more rapidly. UVA, however, penetrates your skin more deeply

> > than UVB, and is thought to be a much more important factor in

> > photoaging,

> > wrinkles and skin cancers.

> >

> > Going Out in the Sun Will Lower Your Cancer Risk . NOT Increase

> > It

> >

> > Getting about 2,000 IU to 4,000 IU a day of vitamin D can help

> > you to reduce your cancer risk by up to 50 percent!

> >

> > And according to Dr. Grant, about 30 percent of cancer deaths --

> > which amounts to 2 million worldwide and 200,000 in the United States --

> > could be prevented each year with higher levels of vitamin D.

> >

> > However, most people only get 250-300 IU a day from their diet,

> > so another source -- ideally the sun -- is essential.

> >

> > How Long You Spend in the Sun is Also Critical

> >

> > A common myth, aside from that of avoiding the mid-day sun, is

> > that occasional exposure of your face and hands to sunlight is

> > " sufficient "

> > for obtaining healthy vitamin D levels. For most of us, this is an

> > miserably

> > inadequate exposure to move vitamin levels to the healthy range.

> >

> > You need to expose large portions of your skin to the sun, and

> > you need to do it for more than a few minutes.

> >

> > In Caucasian skin, an equilibrium occurs within 20 minutes of

> > ultraviolet exposure. It can take three to six times longer for darkly

> > pigmented skin to reach the equilibrium concentration of skin vitamin

> > D. So,

> > bearing in mind that you need to gradually increase your time,

> > starting in

> > the spring, you should be aiming toward exposing large areas of your

> > skin to

> > the sun, anywhere from 20 minutes at a time to two hours at a time,

> > depending on your skin type and environmental factors.

> >

> > Longer exposures will be needed if sunbathing occurs at off-peak

> > times for ultraviolet light (before 12 p.m. or after 3 p.m.) or at the

> > beginning or end of the summer (April or September).

> >

> > You're probably wondering, now that fall and winter are

> > approaching in the United States, what to do when it's too cold for sun

> > exposure.

> >

> > In the winter months, if you've had your vitamin D levels tested

> > and found them to be low, a vitamin D3 supplement (cholecalciferol),

> > which

> > is the type of vitamin D found naturally in foods like eggs, organ

> meats,

> > animal fat, cod liver oil, and fish, can be used. Continue to have your

> > vitamin D levels monitored during this time, though, so you don't

> > overdose.

> >

> > To learn more about how to use sunlight for your health -- and

> > the dangers of not getting enough -- keep an eye out for my new book,

> > Dark

> > Deception, which is coming out shortly.

> >

> > Related Articles:

> >

> > What's the Most Dangerous Part of Sun Exposure?

> >

> > Sunscreens Don't Provide the Protection They Claim

> >

> > Daily Sunlight Can Keep Cancer Away

> >

> >