In the morning under the influence of cold high pressure in winter, due to the influence of cold high pressure, inversion often occurs, that is, the upper air temperature is high and the ground temperature is low, and the harmful pollutants on the ground cannot spread to the upper atmosphere, so they stagnate and stay in the lower respiratory zone. At this time, the early sports meeting was hit hard. The greater the amount of activity and breathing, the more serious the damage.
In fact, countless studies also show that winter exercise is more conducive to fitness and disease prevention, and can enhance people's physique and physical resistance, thus making people feel happy. In winter, if you can take part in some outdoor sports in time, your body will get cold, muscles and blood vessels will contract constantly, which will speed up your heartbeat, deepen your breathing, strengthen your metabolism and increase the heat generated by your body accordingly.
At the same time, due to the enhancement of the excitability of the cerebral cortex, the ability of the thermoregulation center is obviously improved, which is conducive to sensitive and accurate thermoregulation, thus obviously enhancing the cold resistance of the body. Studies have shown that there is sometimes a difference of more than ten times between people who take part in physical exercise and those who don't. In addition, due to the constant cold air during winter exercise, the hematopoietic function of human body is also changing. Red blood cells, white blood cells, albumin and disease-resistant antibodies in the blood increase, thus greatly improving the human body's resistance to diseases, thus helping to prevent diseases such as colds, tracheitis, anemia and pneumonia. In addition, it is worth noting that when exercising outdoors, you can also receive sunshine and breathe fresh air.
Update 1: Will foreigners eat it? Still have this habit?
It should be said that sugar water is the traditional culture of Cantonese in China, and the eating habits of s