It's about self-control, people say. It can’t be that difficult if you really want to quit. That's how many can sound. But what is it that makes some people addicted and others not - with the same drinking habits? Deep in the brain, Professor Markus Heilig, Linköping University, has discovered that there seems to be crucial differences. Now he wants to use the findings to set those caught in addiction - free.
Produced by Faktabruket 2021