Too much folic acid may boost prostate risk

March 11, 2009 8:00:38 AM PDT
Too much folic acid is not a good thing when it comes to prostate cancer risk. Folic acid is the synthetic form of folate, a vitamin found in green, leafy vegetables.

Many breads, pastas and cereals are also fortified with folic acid.

A new study shows that men taking one milligram of folic acid were nearly 3 times as likely to develop prostate cancer over a 10-year period than men given a placebo.

Doctors say folic acid plays an essential role in cell growth and division. An oversupply could accelerate tumor growth. They also note that the body absorbs folic acid more readily than it does folate in natural sources.

The study is in the Journal of the National Cancer Institute.


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