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 — ...

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 ...

A new definition of addiction highlighting that addiction is a chronic brain disorder and not simply a behavioral problem involving too much alcohol, drugs, gambling or sex has been released by the ...

Addiction screening tools might not just detect addiction they might define it. Researchers from Curtin University argue that the ways we measure addiction can shape who is considered addicted and how ...

Defining addiction isn't as easy as it seems. Everyone talks about addiction, some people even invoke the term about lots of things that aren't known to be addictive, like using a smartphone or ...

Now that the world’s leading public health group says too much Minecraft can be an addiction, could overindulging in chocolate, exercise, even sex, be next? The short answer is probably not. The new ...

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 ...