Sweating is an inseparable part of how a human body works, however it can cause embarrassment as well, particularly if perspiration is excessive. Most people find it relatively easily to control it by using various antiperspirants. Yet approximately three percent of the planet''s population suffer from excessive, even uncontrollable sweating that complicates their daily tasks and affects socializing with others. In cases like these more serious anti-sweating methods are used. In order to find out more about hyperhidrosis, its types, control mechanisms and methods of treatment – read this book.