Biohackers chasing the fountain of youth are turning to an unlikely new tool: nicotine. Once demonized for its role in ...

As smoking rates fall in the U.S., startups and influencers are pushing the purported cognitive and health benefits of ...

Add Yahoo as a preferred source to see more of our stories on Google. While usage of caffeine and nicotine may have a positive effect in limited small doses, consistent and high-level doses of those ...