晒太阳晒出健康（Bask in the sun）.doc

晒太阳晒出健康（Bask in the sun） Bask in the sun Basking in the sun, it is the custom of winter in the vast areas of the north, especially the old people, and the folk saying that sunshine is a treasure and sun is healthy is a proverb. Treasure, infinite value. The sun does have infinite value to the biological world. Everything grows by the sun. thats what it means. As far as human health is concerned, the sun is the basis of human existence, and this proverb tells people the truth is true. Basking in the sun, it is the custom of winter in the vast areas of the north, especially the old people, and the folk saying that sunshine is a treasure and sun is healthy is a proverb. Treasure, infinite value. The sun does have infinite value to the biological world. Everything grows by the sun. thats what it means. As far as human health is concerned, the sun is the basis of human existence, and this proverb tells people the truth is true. Sunshine is not enough Lack of sunlight can cause disorder of human function and cause many diseases. In the winter sunlight is shorter in Canada, there are many people sick every year, it makes people show anxiety, irritability, lethargy, joint pain, appetite surge, loss of libido, performance is more prominent in women than men. To avoid this terrible season, thousands of Canadians fly to the equator every winter. In the winter and rainy season, people will have less physical than summer or sunny stretch, the spirit is better than summer or sunny feeling, which are caused by insufficient solar radiation. As far as ultraviolet light is concerned, the ground acceptance in winter is less than 1/6 in summer. The sun through the visual analyzer to stimulate the cerebral cortex, affect the excitatory and inhibitory processes, thus the function of each system in the body, change the physiological reaction and mental reaction of the body, keep living state of normal and periodic arousal. Scientists through a series of research Z pointed out that the dir