Why does the whole body feel sore in spring and it is not easy to recover from fatigue?

Aches and fatigue all over the body are a reaction to the physiological changes brought about by the change of seasons. In the cold winter, the human body is affected and stimulated by low temperature. The capillaries of the skin shrink, the blood flow is relatively reduced, and the sweat glands and pores are also closed, reducing the dissipation of heat to maintain the normal body temperature of the human body. After entering spring, as the temperature rises, the pores, sweat glands, and blood vessels of the human body begin to relax, and the blood circulation in the skin also becomes strong. As a result, the blood supply to the brain will be relatively reduced. As the weather gets warmer, metabolism becomes stronger and oxygen consumption continues to increase, so the oxygen supply to the brain will inevitably become insufficient. Coupled with the benign stimulation of warm temperatures, the brain is somewhat inhibited. As a result, people will feel sleepy and sleepy, and they always feel that they don't get enough sleep.

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