•      Take a lot of exercise. Physical activity is good for all of us at any age. •      Begin your day with morning exercises. They give you enough energy for the day. •      Be sporty. Join a sports club or go to the gym and work out. •      Take enough sleep. Most people need eight hours of sleep to feel well. •      Leave some time for relaxing after a hard working day. •      Spend some time out of doors every day. Fresh air does us a lot of good. •      Limit the time you spend in front of your television or comput­er to an hour — an hour and a half. •      Keep to a healthy balanced diet. Don't overeat. •      Don't eat junk food. Some kinds of food are harmful. Don't smoke or drink alcohol. Never use drugs