As your tissues become more sensitive to the hormones, you get the same response from less stimulation. The effect spills over into other parts of your life, so pushing to meet a deadline at work, you won't be as stressed out if you're aerobically fit. Your blood pressure won't rise, you'll feel calmer and have a sense of being able to cope. What is stressful to a sedentary person is less stressful to an exercised person. Yoga is a system of physical exercises and stretches combined with deep breathing and relaxation and is an undeniable stress-buster.
Meditation measurably reduces stressful reactions in the body.
They found equal effects in elite runners and experienced meditators, showing that you don't have to sweat to get a 'runner's high. People who exercise are more apt to describe themselves as being in control and to feel a sense of mastery in all areas of their lives. Exercise has been shown time and time again to be an effective tonic for milder forms of depression, a reducer of stress and anxiety, and a booster of energy, self-esteem and a general well being. Physical exertion works to clear the mind by reportedly altering serotonin and endorphins, mood-influencing brain chemicals. A recently reported randomized controlled study from Canada found that subjects who exercised for sixty minutes three times a week for a year stabilized their bone mass, improved their cardiorespiratory endurance, and had a better overall sense of well-being than those in the control group.