After exercise, it is strictly prohibited to take a cold shower when you are sweating profusely. Because the whole body after exercise blood vessels will be expanded, if this time to take a cold shower, resulting in abnormal contraction of blood vessels, easy to lead to wind, bronchitis and other diseases, serious may trigger cerebral hemorrhage. The body in a large amount of sweat, capillaries are in a state of expansion, if you take a cold shower, the blood vessels will be sharply contracted, the body heat affected by external factors, a moment to disseminate, and the arterial blood vessels within the skull is very rich, the external stimulus is very sensitive.

If you take a cold shower after a strenuous exercise, the skin will be suddenly stimulated, so that the blood vessels immediately contract, the resistance of blood circulation increases, while the body's resistance is reduced, people are prone to disease, the head is especially prone to sweating after exercise and the amount of cold water to rinse the head, it is possible to cause vascular function abnormalities in the cranium, resulting in dizziness, headache, blackness, and even vomiting, which may be the phenomenon, the seriousness of the disease. In severe cases, it may also cause intracranial hemorrhage. At the same time, reduced blood flow to the skin causes a sudden increase in the amount of blood returning to the heart, which can increase the burden on the heart. After labor muscle fatigue, increased tension, and then cold stimulation, may also trigger cramps, but also susceptible to cold or cause gastrointestinal spasms.