Raw versus Cooked Vegetables

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" the majority of the studies included in this review show an inverse

association between both raw and cooked vegetables and cancer. For

each of the comparisons in Table 1, 88% showed a decreased risk of

cancer with raw vegetables and 85% with cooked vegetables (OR or RR <

1). More of the studies showed a statistically significant inverse

relationship with raw vegetables than with cooked. Of the analyses in

Table 2, 91% showed an inverse relationship between raw vegetable

intake and cancer, and almost two-thirds reached statistical

significance. Of the analyses of total vegetable intake, 92% showed an

inverse association, of which nearly half reached statistical

significance. These results are consistent with those of Steinmetz and

Potter (4), in which 85% of the studies they reviewed that examined

raw vegetables and cancer reported an inverse association. "

Full text:

http://cebp.aacrjournals.org/cgi/content/full/13/9/1422