Exercising can be addicting. Many fitness buffs get a “rush” of adrenaline when they work out. They live by the motto of “No pain, No gain.” Scientifically, this slogan is accurate because the process of muscle-building requires stressing muscles to their limits, which causes micro-tears.
The body responds to this stimuli by feeding more nutrients to the muscle, which eventually results in a longer, stronger muscle. Unfortunately, if people overtrain, they might suffer any number of symptoms, including chronic fatigue, headaches and injuries. continue reading »