Age at first drink can affect genes and alcoholism risk

An Australian twin study has shown that the age at which a person takes a first drink may influence genes linked to alcoholism, making the youngest drinkers the most susceptible to severe problems.

Alcohilism: Clinical and Experimental Reseach: http://www3.interscience.wiley.com/journal/118520059/home?CRETRY=1&SRETRY=0