The last part of the brain the alcohol goes to is the lower brain. This effects a persons breathing and circulation. This can cause a persons breathing to become slow and even cause heart failure. The mental effects are what cause driving accidents, drowning, and other terrible things. That is because their brains aren't working right and they aren't able to think correctly.
Some people say it relieves tension.
Teenagers feel more confident when they drink. Teenagers want to be cool and feel accepted by their peers. Teenagers will do a lot to fit and be liked. Some teenagers use drugs or alcohol to compensate for anxiety,depression, or a lack of positive social skills. The cmbination of teenagers' curiosity, risk taking behavior, and social pressure make it very difficult to say no to alcohol.