The age at which you start with the first drink is written in the genes. Or rather, it's our DNA to have its say on when you start drinking, while the social environment influences the amount Alcohol and send it down. The evidence comes from a study of twins, developed by scientists of the University of Nijmegen (Netherlands). The Dutch researchers have monitored the behavior of 694 pairs of twins, both male and female, between 12 and 15 years. A portion of the sample was composed of identical twins, homozygous, heterozygous by another. To separate the genetic influence on environmental and social development, the researchers analyzed the date on which each teenager has started drinking alcohol and the frequency. From the data of the study, which will be published in June in the journal 'Alcoholism: Clinical & Experimental Research', it was found that genes are the main factor affecting up when you start drinking. In particular, DNA is critical for 83% of males and 70% of females. While the environmental and social factors are responsible for the frequency with which 82% of teenagers drink alcohol. "People often think that the age of first drink is essentially linked to social factors, but it is not - said Evelien Poelen, who coordinated the project - This study shows that genetic factors are involved in starting early. For parents is therefore important not to 'encourage' these genes, preventing their children's early approach to alcohol, even in the absence of dangerous environmental situations. "
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