Sweating is an indispensable bodily function that helps us regulate body temperature. In addition, people sweat when they are anxious or stressed, but we know limitedly about the purpose of this method of sweating.
Some studies have pointed out that the body odor produced by a stranger’s sweat can trigger our war or escape reaction. This may be an evolutionary defense mechanism. If people around us sweat because they are aware of danger, it means that we may also At risk, the body will be ready for emergency response
Another study found that the body odor of the family helps to reduce the stress index. Both of these results suggest that body odor may trigger our emotional response in different situations.