有些人外出旅游时因环境的改变，往往会出现胃口不佳、头昏乏力、精神不振、皮肤发痒、腹泻以至消瘦等不良表现，个别女同志还会出现月经紊乱。这些都并非是生病，而是因突然改变了生活环境所致，也就是人们常说的水土不服。出现水土不服的原因是机体对异地的气候、水质、... Some people travel due to environmental changes, often appetite, dizziness, fatigue, sluggishness, itchy skin, diarrhea and weight loss and other poor performance, individual women will also appear menstrual disorders. These are not sick, but because of a sudden change in the living environment, which is often said acclimatized. Appear acclimatized reason is the body of the off-site climate, water quality, ...