The most important hormone during exercise is epinephrine (also known as adrenaline). Epinephrine causes blood vessels to dilate, which increases the amount of oxygen and glucose available to working muscles. As a result, more calories are burned by exercising muscle tissue. Exercise also causes your body’s immune system to increase its response in order to ward off infection or illness just before or just after vigorous exercise. Common infections that may occur near sweating include upper respiratory tract infections such as sinusitis and bronchitis; gastrointestinal illnesses including diarrhea; skin infections such as impetigo; urinary tract infections, especially prostatitis; and injuries or cuts on the skin. This last type of injury is one of the major reasons why people who participate in intense weight training programs develop rashes all over their bodies called cellulite because they sweat so much when doing heavy sets for long periods of time!
Q: Why does my chest seem so tight after I work out?
A: You might be surprised at how common this problem really is among fitness enthusiasts who experience tightness in their chest muscles while vigorously exercising. It can happen even if you’re not an avid exerciser – but do some cardiovascular activity every day anyway! People with high blood pressure often notice this kind of tightening because it occurs during deep breathing due to increased pulmonary volume (increased volume within the lungs). Tightening around the sternum area commonly prevents deep breaths from fully expanding throughout your thoracic cavity thus making it