As more blood flows to exercising muscles, these muscles take more sugar from the blood to use for energy. As blood flow increases in the arms and legs during exercise, more insulin is absorbed into the blood. The increased sugar and insulin flowing in the blood to the muscles during exercise causes more sugar to be burned. The old belief that people should not exercise if they have high blood sugar is wrong. The exercise usually helps lower the blood sugar.
Many people just seem to feel better when they exercise daily.
They tend not to tire as easily. Some people even say they are happier. Teenagers get much of their support from friends. Friends often are made during sports activities. Exercise can give people the opportunity to mix with others.