Tag Archives: cocaine and the brain

Why Do Addicts Keep Using Despite The Consequences? — Part 2

Previously we mentioned that the pleasure center is a portion of the brain over which we have no conscious control, and that it can be stimulated by a variety of chemicals — some of them produced inside our bodies and some that we introduce from outside.  We said that the pleasure center rewards us for activities that it interprets as contributing in some way to our survival, whether they be social interactions, exercising, or more prosaic things such as eating.  We also stated that these pleasurable feelings, when pursued too far or for too long can create problems.  Now we need to examine how that happens….

http://sunrisedetox.com/blog/2011/08/24/addiction-alcoholism-compulsion-2/

Molecular Fingerprint Of Cocaine Addiction Revealed

Molecular Fingerprint Of Cocaine Addiction Revealed

…”The changes we identified are profound and affect the structure, metabolism and signaling of neurons,” said lead author Nilesh Tannu, M.D. “It is unlikely that these types of changes are easily reversible after drug use is discontinued, which may explain why relapse occurs.”…