Brain chemical dopamine bounces back after quitting smoking
by Lisa Rapaport

Reuters    Translate This Article
10 August 2016

On 10 August 2016 Reuters reported: The brain makes less dopamine, a chemical involved in both pleasure and addiction, when people smoke but this deficit may be reversed when smokers kick the habit, a small experiment suggests. Nicotine addiction is known to be associated with abnormalities in the dopamine system. But scientists are uncertain if smoking induces those abnormalities or if they already exist in some people and make them more vulnerable to getting hooked on nicotine. Because the study found that most nicotine abnormalities went away after smokers quit, it suggests they are a byproduct of smoking, said lead study author Dr. Lena Rademacher of Lubeck University in Germany. Global Good News service views this news as a sign of rising positivity in the fields of health and science, documenting the growth of life-supporting, evolutionary trends.

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