Addiction: abnormal communication in the brain


Alain Dagher
Dr. Alain Dagher

Addiction to cigarettes, drugs and other stimulants has been linked in the past to the brain’s frontal lobes, but now there is scientific evidence that indicates where in the frontal cortex addiction takes hold and how. Addiction could be a result of abnormal communication between two areas of the frontal lobes linked to decision-making. The discovery will undoubtedly stimulate clinical work on new therapies for millions of people who suffer from addiction. Continue reading

How genetics shape our addictions

Alain Dagher
Dr. Alain Dagher
Genes predict the brain’s reaction to smoking

Have you ever wondered why some people find it so much easier to stop smoking than others? New research shows that vulnerability to smoking addiction is shaped by our genes. A study from the Montreal Neurological Institute and Hospital – The Neuro, McGill University shows that people with genetically fast nicotine metabolism have a significantly greater brain response to smoking cues than those with slow nicotine metabolism. Continue reading