Because nicotine also stimulates your brain’s reward centers, it’s highly habit-forming. Nicotine may lead to many side effects. One of these involves getting headaches. Nicotine may increase ...

A massive new study sheds light on how cannabis affects the brain, particularly during cognitive tasks. Researchers analyzed ...

Nicotine is the substance in tobacco that makes smoking addictive. Limited studies suggest it could temporarily improve attention and cognitive (thinking) function. However, there is not enough ...

A significant body of research demonstrates that exposure to wildfire smoke has negative effects on the brain.

Although nicotine appears to be the beneficial ingredient ... and it activates the autonomic nervous system, which connects the brain directly to visceral target tissue, including lymphoid ...

Quitting smoking is one of the toughest challenges millions of people face worldwide. But what if the key to success lies not in willpower alone, but in understanding how your brain works?

However, each person’s body metabolizes nicotine differently. Genetic differences can also affect the amount of time cotinine is detectable in the body. Your cotinine levels also depend on how ...

It’s the largest study of its kind to ever be completed – examining the effects of cannabis use on over 1,000 young adults aged 22 to 36 using brain imaging technology. The researchers then ...