Eventually the constant bombardment of stimuli and the numerous reactions takes its toll. Along with all of those occurrences, the metabolic rate goes up. The body reacts to stress in a manner similar to a long and grueling physical activity. If you compare it to running a marathon, even the best marathon runner can run full tilt for a few hours and then become totally exhausted. If stressful conditions go on for long periods of time and a person reacts in unhealthy ways, it may contribute to a heart attack.
Stress is a major health concern that is associated with heart disease.
For some people the thought of conquering the world is inviting. The rigorous demands are welcome and the challenge is overcome. Some people adjust to stressful situations and overcome the challenge, while others seem to let everything bother them and react to all situations no matter how big or small, real or imaginary the same way. The net result is that stress gets the best of them. More and more is being learned about stress and ways to reduce its effects on the mind and body.