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Enough light plays a very crucial role to produce vitamin D and calcium absorption. Once people lack of vitamin D, so the body is inadequate absorption of calcium, and the bones of the human body will become very crisp. If people do not pay attention to, they will suffer from fracture, such as bending and jumping. Even if some osteoporosis does not arrive at the extent of the fracture, but also have a persistent pain, which has significantly affection to the quality of life of the people. Spring is the season for depression-prone. Experts suggest that people can often walk out doors. This has the good benefit to the expulsion of depression. Experts explained that sunlight causes the person to produce a series of physiological changes, such as infrared thermal effects will expand the capillaries to accelerate blood circulation; role of ultraviolet radiation can oxidant melanin; if the vitamin D in the skin and histamine increased, gastric acid secretion will increase, but also hemoglobin, calcium, phosphorus, magnesium and other content in the blood will increase. In addition, under the plenty of sunshine, the body adrenaline, thyroid hormone and gonadotropin secretion levels will increase, which will improve depression, depression and other adverse psychological effectively. The sun's ultraviolet rays are a natural disinfectant, and it can kill a variety of pathogens of respiratory diseases, such as influenza virus, measles virus, meningitis, meningitis, etc... It is understood that the decrease daylight will inspire people's desire for high-calorie foods. Because of 5 - serotonin helps to improve mood, and hormone synthesis to suppress appetite will be reduced with the reduction of the sun, which make people easy to feel depressed to lead to appetite doubled. If the condition is serious, people will suffer from serious disease which was called "seasonal depression (SAD). According to statistics, there are about 10 million people suffering from this disease every winter, and its cure is including the light of the half-hour a day. There are two period to suit for accepting the sunlight: the first is from 6:00 to 10:00, at this time, infrared accounted for on the peak and ultraviolet light is low, people feel warm and soft, which play the good role of blood circulation; The segment is from 16:00 to 5:00, at this time, sunlight can promote intestinal calcium and phosphorus absorption, which is conducive to enhance physical fitness, and promote normal bone calcification. A player recommended a website to John, saying that gw2 gold is providing a bonus for game gold. So John visited Guild Wars 2 Gold and bought some gold.
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