Misperceptions about nicotine abound. Nicotine is not the main cancer-causing component in cigarettes; still, many believe it is. Nicotine makes cigarettes addictive; many people believe it does not.

For centuries, scientists have known that tobacco plants produce nicotine -- but no one could figure out exactly how they do it. Now, a team of Chinese researchers has finally solved the puzzle. In a ...

A tiny fluorescent “turn-on” sensor for rapidly detecting nicotine and its major metabolite, cotinine, in aqueous media and living cells, could enable   early and rapid detection of nicotine ...

Biohackers chasing the fountain of youth are turning to an unlikely new tool: nicotine. Once demonized for its role in cigarettes, the addictive stimulant is now being recast as a cognitive enhancer ...