what causes periodic sweating
Excessive Sweating. A person with excessive sweating has a condition called hyperhidrosis. Sweating is normal when the body is exposed to a warm environment. The evaporation of sweat from the skin surface cools the body.Hyperhidrosis is excessive sweating that occurs when the body is not exposed to a warm environment.In adults, the most common cause of hyperhidrosis is emotional stress.However, excessive sweating is also caused by heart disease, lung disease, diabetes, and shock.xcessive Sweating. A person with excessive sweating has a condition called hyperhidrosis. Sweating is normal when the body is exposed to a warm environment. The evaporation of sweat from the skin surface cools the body.