In order to relieve human fatigue and produce more vitality, it is necessary to enhance human resistance. If you don't get enough sleep, it will reduce your body's resistance, easily lead to various diseases, and increase cardiovascular and cerebrovascular diseases, cancer and other diseases.

2. Eat more foods rich in calcium.

Once people reach middle age, they are prone to osteoporosis. Therefore, in life, we must eat more foods with high calcium content or especially rich vitamin D. Therefore, we must eat more foods such as milk and fruit, egg yolk and lean meat.

3. Eat more foods that tonify kidney and replenish essence.

When people reach middle age, they must eat more foods that tonify the kidney and replenish essence, including tremella, Euryale ferox, yam, black dates and so on. People can make food according to their physical condition, which can not only strengthen their health, but also be beneficial to beauty.

4. Vitamin supplements

As far as vitamin B6 is concerned, it can effectively improve human immunity and better prevent bladder cancer, kidney calculi's disease and skin cancer. So you must eat more sunflower seeds, bananas, potatoes, chicken and other foods.