answer to question 1 : its better to start now than later because its "easier" for teenagers to lose weight due to the amount of energy they have unlike adults whos energy decreases as they get older
answer to question 2 : people could start a healthy diet and a habit of doing exercise. this can help you reduce the risk of having health problems as you get older
D. He should perform rehabilitation exercises, because he his body has gone 3 weeks without the same routine, and therefore he may be more vulnerable to injury.
