SchaferAutismReport: Doubt Is Cast on Many Reports of Food Allergies

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RESEARCH

Doubt Is Cast on Many Reports

of Food Allergies

Many who think they have food allergies actually do not.

By Kolata NY Times. (Food allergies

are often suspected in children with autism by parents. – editor.) is.gd/c6qrp

A new report, commissioned by

the federal government, finds the field is rife with poorly done studies,

misdiagnoses and tests that can give

misleading results.

While there is no doubt that

people can be allergic to certain foods, with reproducible responses ranging

from a rash to a severe life-threatening reaction, the true incidence of food

allergies is only about 8 percent for children and less than 5 percent for

adults, said Dr. Marc Riedl, an author of the new paper and an allergist and

immunologist at the University of California, Los Angeles.

Yet about 30 percent of the population believe

they have food allergies. And, Dr. Riedl said, about half the patients coming

to his clinic because they had been told they had a food allergy did not

really have one.

Dr. Riedl does not dismiss the seriousness of

some people’s responses to foods. But, he says, “That accounts for a small

percentage of what people term ‘food allergies.’ "

Even people who had food allergies as children

may not have them as adults. People often shed allergies, though no one knows

why. And sometimes people develop food allergies as adults, again for unknown

reasons.

For their report, Dr. Riedl and his colleagues

reviewed all the papers they could find on food allergies published between

January 1988 and September 2009 — more than 12,000 articles. In the end, only

72 met their criteria, which included having sufficient data for analysis and

using more rigorous tests for allergic responses.

“Everyone has a different definition†of a

food allergy, said Dr. J. Schneider Chafen of the Department of

Veterans Affairs’ Palo Alto Health Care System in California and Stanford’s

Center for

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RESEARCH

Doubt Is Cast on Many Reports of Food Allergies

Rare Disease In Amish Children Sheds Light On Common Neurological Disorders

Scientists Learn How Brains Process Images Of Faces

FINANCES

Missouri Legislature Passes Insurance Coverage for Autism

PEOPLE

State Suspends Psychiatrist In Boy's Death

Police Asking For Help in Finding Missing Autistic Man

PUBLIC HEALTH

Fears Surround Over-The-Counter Genetic Tests

EVENTS

Groundbreaking Presentation: Mercury’s Rising: Thimerosal and the Law of

Contradiction in Public Policy

COMMENTARY

Autism And The Bad Science Of The Medical Establishment

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