Children, and particularly teenagers, don't often admit that they listen to their parents. So when they tell us that it is not their friends but their parents who have the most influence on their attitudes to alcohol, we should listen.
Ah, alcohol. It's the mainstay of hundreds and thousands of years of culture. The discovery of late Stone Age beer jugs has established the fact that purposely fermented beverages existed at least as early as 10,000 BC.