Nicotine is an addictive chemical found in tobacco products, such as cigarettes, electronic cigarettes (e-cigarettes), cigars ...

Nicotine patches help people quit smoking. However, people can sometimes become addicted to these patches. Misuse can play a role in this process. Quitting smoking cold turkey can cause uncomfortable ...

Nicotine is much less harmful than the tobacco that naturally contains it. It has never been found to cause cancer. Nor does it cause other smokers’ diseases such as emphysema. But it is, of course, ...

Does using alcohol, nicotine, or cannabis engender addiction by changing the structure of brains, or does the structure of brains incline some people toward using those substances? In standard brain ...