A recent study found that men taking high-dose supplements of b12 were at greater risk for developing lung cancer. Vegans–because we don’t eat small amounts of b12 throughout the day like the average omnivore–rely on high-dose supplements to meet our b12 needs. Should we be concerned?
The study (Brasky et. al. 2017)
Statement from study author (correspondence w/ Jack Norris)
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