High doses of vitamin B tied to lung cancer risk, study says (smokers)

[JD59]

Men who took high doses of vitamin B6 and B12 supplements had a higher risk of lung cancer, and the association was highest among current smokers, according to a study published Tuesday.

The study found a 30% to 40% increased risk of lung cancer among men taking these vitamins from individual supplements -- not from multivitamins or diet alone.

High doses of vitamin B supplements tied to lung cancer risk, study says - CNN

[charlygal]

That study only applies to current male smokers who are taking 50x -2000x the daily RDA in B-vitamin supplements.