In the sun, or following intense physical effort, during a stressful presentation, after a spicy dinner, sweating can be more ... and poisons the lives of many people. Affecting adolescents ...

It also ruled out various disorders that cause "colored sweat," like ... Ever wonder why some people build muscle more easily than others or why freckles come out in the sun?

You also might sweat if you’re stressed or angry, or have a fever. For some people, however, sweating can feel almost out of control. The issue, called hyperhidrosis (or excessive sweating), is ...