Quitting smoking isn’t just a matter of willpower. For long-time smokers—those who’ve made cigarettes part of their routine ...

Trillions of cigarette butts are thrown into the environment every year, where they leach nicotine and heavy metals before turning into microplastic pollution. 5:05.

Armed with an asset that could be an improvement on Pfizer’s blockbuster smoking cessation drug Chantix/Champix (varenicline) ...