How the brain can make quitting alcohol harder

"If you like to drink but want to stop and don't seem to have to willpower to do so, it may be because chemicals in your brain are telling you to order another pint, new research suggests.

It's been long thought that alcohol triggers the release of naturally occurring opioids in the brain's reward centers, but research has documented how this process works only in animals. A new study in the journal Science Translational Medicine offers insights into why alcohol can be so addictive in humans."

Read the full article on CNN's website.