Stress
Stress is a natural response from the body to certain stimuli, and there are several components to stress. Too much stress however can lead to physiological problems such as heart disease and a weakened immune system (1, 497). Stress management and relaxation exercises though can help lessen the effects of stress and help keep the body balanced.
Stress can be triggered by a number of things. Among them are "physical trauma, prolonged exposure to cold, prolonged heavy exercise, infection, shock, decreased oxygen supply, sleep deprivation, pain, fright, and other emotional stresses…