You’re Sweating More
Some scientists say sweating plays an evolutionary role in sending warning signals to people around us. Sweat from exercise and sweat from stress are produced differently, though. The Wall Street Journal explains sweat caused by stress is from apocrine glands and is triggered by adrenaline, the hormone that causes us to react quickly when facing a threatening situation. If you have a stressful business meeting coming up, wear dark colors just in case.