Why do people get depressed this is for my class i need asap

It can be a chemical imbalance in the brain, a traumatic event, bad home life, etc.

Depression is caused by many different things. Some causes of depression are; A bad home life, Not liking who you are, Death, Chemical Imbalances in the brain, Side effect of a drug you're taking, Loss of a job, Developing an illness such as cancer, Losing a loved one. If you need any more information feel free to ask.

Answersedative or tranquilliser; ( narcotics)

Rub your hands together twice as long as washing your hands? or make sure to in between your fingers. or wipe ur hands off with a paper towel when done.