2, often outdoor activities, hiding in the house in winter, not hiding in the house in winter, so it is very necessary to remove outdoor activities, often staying in the house, but more likely to get sick.
3, outdoor activities can also promote the production of heat, effectively regulate the function of metabolism, enhance the function of cerebral cortex excitement and body temperature regulation, and properly exercise bones and muscles in winter health, sweating is the best.
4, the elderly should also pay attention to keep warm when doing exercise, avoid getting up early to exercise, in case of insufficient blood supply to the brain to induce stroke.