In September, Yale professor of psychiatry Marc Potenza published a letter in the journal “Addictive Behaviors” on how the definition of “addiction” had broadened in the new edition of the Diagnostic ...

Does marijuana cause addiction? As Californians prepare to vote on Prop 19 — which would legalize recreational use of the drug, at least under state law — the question is more pertinent than ever. The ...

The old saw that pot’s not addictive has run hard into scientific consensus of late. Marijuana does cause dependency and addiction. But as the science improves — and laws let weed users relax a bit — ...

Treating addiction is comparatively new in the annals of medical history; even how addiction should be defined is still evolving. Significant proposed changes in the definition of addiction planned in ...

America’s most visible portraits of recovery from addiction are not pretty. There’s the spoiled, out-of-control celebrity entering rehab to get a career boost (see Lohan, Lindsay), or to atone for bad ...

My previous posts have focused on recognizing and preventing excessive substance use, with an emphasis on providing the latest information about my special interest – cannabis (see 20 Questions to ...

Spending an excessive amount of time on the Internet. To be diagnosed with an "Internet addiction disorder" (IAD), the time spent must be detrimental to the person's daily routine. There is ...

A psychological test that determines the degree of addiction a person has using the Internet. Developed by Dr. Kimberly Young in 1998, a result from 80 to 100 points means Internet usage is causing ...