The Mental Benefits of Being Fit

①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.

②The years can be rather stressful. Keeping fit and physically active can help s reduce their stress levels. Parents should support their s and provide equipment, or even volunteer as exercise partners. s who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.

③During the years, hormones are constantly changing. A ’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A who exercises regularly will benefit from a healthy body and a more positive mood.

④s can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a ’s self-confidence. When a girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a boy into a group that accepts and appreciates him.

⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.

A boy can be easily accepted by_____.