Understanding what makes people crave the high of nicotine is a key to developing treatment for this highly addictive drug. And that understanding involves tracing the neural machinery by which ...

The School of Nursing is collaborating on a national study that adopts two counter-intuitive principles in its search for ways to treat memory loss among aging populations. The two surprising concepts ...

Statistically, it takes multiple attempts to quit smoking before people succeed. (Getty Images) If so many people want to stop, why is it so difficult? The main culprit is nicotine, which is a highly ...

How do coffee and cigarettes for breakfast influence each other? The answer depends on understanding how the chemicals in both interact to influence brain function. First, coffee contains caffeine.

Health risks of chewing tobacco: Chewable tobacco contains nicotine, nitrosamines, arsenic, and sometimes lead, carcinogens that can cause mutations and oxidative stress, damaging DNA and the central ...

Nicotine quickly enters your bloodstream. Your liver then breaks down nicotine into several byproducts, primarily cotinine. Depending on what you're testing, such as a blood, urine, saliva, or hair ...