Studies have shown a reduction of colon cancer risk, at least among individuals with certain genotypes, with ingestion of isothiocyanates found in:

Question

Quizplus · Accepted Answer

Isothiocyanates are predominantly found in cruciferous vegetables such as broccoli, cauliflower, kale, and brussels sprouts. Therefore, the best choice would be option B. The other options do not contain significant amounts of isothiocyanates. Studies have shown a reduction of colon cancer risk with ingestion of isothiocyanates found in cruciferous vegetables such as broccoli, cauliflower, kale, and Brussels sprouts. The other options, protein, oranges, and tomatoes, do not contain significant levels of isothiocyanates.

Studies Have Shown a Reduction of Colon Cancer Risk, at Least