葉酸：癌症增加

Cancer Incidence and Mortality After Treatment With Folic Acid and Vitamin B12
JAMA. 2009;302(19):2119-2126.

Folic Acid and Risk of Prostate Cancer: Results From a Randomized Clinical Trial
JNCI Journal of the National Cancer Institute 2009 101(6):432-435; doi:10.1093/jnci/djp019

真糟糕
癌症發生率跟死亡率都增加