The following is an edited excerpt.
According to scientists, the physical effects of exercising such as panting, sweating, pain can set off various responses in the brain according to each individual. While some people experience euphoria because of the endorphins (happy hormones) released by the body after a workout, others’ moods will fall due to their psychobiological “inner voice.” Some people have a higher tolerance to pain, which mostly depended on their genetics.
View the original article here: What makes you hate going to the gym?
