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Why People Become Cold Research Paper

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It's a common belief that cold weather weakens human's immune system that makes people more likely get a cold or flu. Surprisingly, there is no scientific data to show that sickness is directly related to being cold since general illnesses are caused by viruses or bacteria. However, some evidence can explain that why people become sick more often in winter. First of all, people prefer staying inside room during the cold time. Because of so many people gathered closely in a small room, it gives germs an easy chance to spread. In addition, compare to summer time, the air in winter is less humid, and also turning on the air conditioner dries out the air. There are scientific studies to suggest that dryer air affects mucus, make the

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