The document discusses guidance from the UK's Chief Medical Officer (CMO) on underage drinking. It makes several key points: 1) Drinking alcohol regularly from a young age can have negative health impacts both short and long-term. 2) The healthiest option is for children to have an alcohol-free childhood, and if they do drink, to delay starting until at least age 15. 3) For 15-17 year olds who do drink, it should be infrequent (no more than once a week) and never exceed adult daily limits. Parents should provide guidance and supervision. 4) Educational curricula and community messages should reinforce avoiding underage drinking and the risks