The body expels toxins in numerous ways, one of these ways being sweat. Sweat contains many toxins that the body does not desire to have within. Sweat happens when we exert our core to an extent. This increases our temperature inside. The bodies natural reaction to heat is to sweat, cooling the skin. Sweat will remove more toxins than even urine. Since urine is mostly waste. Heat is one of the bodies greatest defense mechanisms. A fever is a natural reaction by the body to fight off a disease. In this same way, heat is applied to reduce the amount of toxins living beneath the surface.