Serum 25-Hydroxyvitamin D and Risks of Colon and Rectal Cancer in Finnish Men

Case-control study.

Link: http://​​aje.oxfordjournals.org/​​content/​​173/​​5/​​499.full

From discussion:

“High 25(OH)D concentrations were not associated with lower risk of colorectal cancer in this prospective study. In fact, our data suggested greater colon cancer risk in men with higher circulating 25(OH)D concentrations.”