In small amounts alcohol can help you relax and feel more sociable. It makes your emotions more intense, which is OK if you are in a good mood but not so great if you are feeling low.
Too much alcohol and you'll start slurring your words and get clumsy or fall over. You might start crying or getting angry - or do something you regret. Mixing with other drugs can be dangerous, and drinking too much in one go can lead to alcohol poisoning, which can make you unconscious or even kill you. If you drink alcohol a lot you can end up feeling depressed. A ling term drinking habit can cause liver, heart or stomach problems. You can also get addicted and end up becoming an alcoholic.
If you are under 18 it is illegal for someone to sell you alcohol and illegal for someone else to buy it on your behalf.
Moderation is the key - know your limit, know when you have had enough and know when to move onto soft drinks...