The effect of
Nicotine, an active ingredient of tobacco, is a psychoactive drug - one that affects mind and behavior. It produces only a slight high in first-time users and it does not impede daily functioning to the same extent as other drugs.
Nicotine interacts with specific receptors in brain tissue, and initiates metabolic and electrical activity in the brain. In addition, nicotine causes skeletal muscle relaxation. It also acts on
Many smokers have misperceptions about nicotine, which often result in not using evidence-based treatments when quitting. Misperceptions... Read more »
The favorable false emotional concepts about cigarettes, cigars, etc. that we've accepted and kept alive in our brains can be... Read more »
When we tried our first cigarette, chances were that we were emulating someone (perhaps a celebrity or an older sibling, parent, or... Read more »
There's been a lot of exciting programming on public television lately about our brains and how we can change them. Years ago, after... Read more »
Matcheri S. Keshavan, M.D., of Beth Israel Deaconess Medical Center in Boston and his colleagues just might have unlocked a cognitive... Read more »
Source: ADAM Encyclopedia
Nicotine AddictionNicotine is the chemical in cigarettes that makes them addictive. About 85% of smokers are addicted to nicotine. Higher levels of... Read more »
Source: ADAM Encyclopedia
Nicotine is a bitter-tasting compound that naturally occurs in large amounts in the leaves of tobacco plants.Nicotine poisoning results from too much... Read more »
Scientific studies about the brain are rapidly changing our understanding about how to maintain the brain’s function as we age. It’s becoming... Read more »
How does the brain work? What happens to the brain of a person with Alzheimer's disease? Visit Inside the Brain: An Interactive Tour on the... Read more »
Source: HealthCentral Encyclopedia
Cigarette smoking is the leading cause of preventable death in the U.S. today. Each year, one out of every six deaths in the nation is attributable... Read more »