Newswise — Experimenting with drugs or going to a casino doesn't make you an addict. We all know that. But why do some develop an obsession? Experts agree that most of the time, those who become addicted also carry an underlying mental health problem. During Mental Health Week, experts from the Canadian Institutes of Health Research discuss how psychological issues have devastating consequences on people's lives.

Experts:Brain malfunction possible cause of drug addictionDr. Rémi Quirion, Scientific Director of the CIHR Institute of Neurosciences, Mental Health and Addiction (Montreal)

The power of drugs: what makes them so addictive?Dr. Paul Clarke, CIHR-funded researcher from McGill University (Montreal)

Addicts' brains work differentlyDrs. Alain Dagher and Lesley Fellows, CIHR-funded researchers from McGill University (Montreal)

Depression and alcohol use: gender gapDr. Kathryn Graham, CIHR-funded researcher from the Centre for Addiction and Mental Health (Toronto)

Effect of meth abuse on the brainDr. Alasdair Barr, CIHR-funded researcher from the University of British Columbia (Vancouver)

The Canadian Institutes of Health Research (CIHR) is the Government of Canada's agency for health research. CIHR's mission is to create new scientific knowledge and to catalyze its translation into improved health, more effective health services and products, and a strengthened Canadian health-care system. Composed of 13 Institutes, CIHR provides leadership and support to more than 11,000 health researchers and trainees across Canada. http://www.cihr-irsc.gc.ca Ce document est également disponible en français.