Aerobic and anaerobic will increase the basic metabolism of lung, myocardial contractility and respiratory ability. Aerobic can effectively increase endurance, while anaerobic can strengthen the endurance of muscles, ligaments and bones. Some hormones, such as testosterone and androgen, rise.

In the long run, joint safety and correct posture will affect the exercise ability and body fat growth rate in old age.

The spirit is more energetic and confident.

Of course, fitness is not everything. Fitness is like making money. Unhealthy things in life are like spending money. If you earn two or three thousand yuan a month but often buy luxury goods, you won't have much wealth.

This is just an inevitable relationship between fitness and life. It is not a simple gain, but also has negative effects. Fitness can also affect cortisol levels. If fitness and stressful work often backfire, fitness will also affect daily travel and lose some fun accordingly.

Life and fitness should be highly measured.