Harvard Men's Health Watch

B vitamins may raise risk of lung cancer in men who smoke

In the journals Smoking causes lung cancer no surprise there. But a new study found that high dosages of vitamin B6 or B12 supplements were associated with three to four times the lung cancer risk in male smokers compared with smokers who did not take the supplements. The results were published in the Aug. 22, 2017, Journal of Clinical Oncology. …

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