Not suitable for running in the winter morning, is it?

Winter exercise is just the right time, and physical exercise can improve people's ability to keep out the cold. Therefore, people who insist on winter exercise have 8- 10 times stronger cold resistance than ordinary people. Outdoor physical exercise in winter is constantly stimulated by cold air, the antibodies against diseases in the blood increase, and the body's resistance to diseases increases. Physical exercise in winter receives sunshine to make up for the lack of sunshine. Ultraviolet rays in sunlight can not only kill viruses and germs on human skin and clothes, but also disinfect human body. It can also promote the absorption of calcium and phosphorus by human body and contribute to the growth and development of bones. Especially for the growing teenagers, it is more important to take part in outdoor sports. Physical exercise in winter can also accelerate blood circulation and increase the oxygen supply to the brain, which has a positive effect on eliminating fatigue caused by long-term work of the brain, enhancing memory and improving learning efficiency. There are many benefits of winter exercise, and there are also many items of winter exercise. Generally, long-distance running, martial arts, ball games, skipping rope, kicking tendons and jumping rubber bands are used. This can be flexibly mastered by choosing different projects according to personal hobbies.