The benefits of running :
1.Running is good exercise to make human health.
A.It can avoid many disease.
B.It can train your muscle.
2.It has less constraint on running.
A.You can run in any vacant lot.
B.You can enen run in home using running machine.
3.Running makes people satisfied.
A.Runner's joy, brain would produce some chemical effect to make people happy.
B.Sense of achievement.
