The claim that a glass of wine can be useful has become a truth for many.

But if you look at the overall research, the positive health effects are greatly exaggerated.

- Some people think that it is good to drink a glass of red wine a day, for example.

But that is not the whole truth, says Mats Ramstedt, alcohol researcher at Karolinska Institutet.

Play the clip to hear more about which cancers that alcohol increases the risk of and two other risks of regularly drinking alcohol.