Self-confident people are more successful, more attractive and healthier. Self-esteem also indirectly has an effect on cardiovascular disease, and strengthens the immune system. Because they are better able to tolerate frustration, self-confident people are better able to cope with stress.
https://p.dw.com/p/15uT9
Advertisement
That means they are less likely to contract stress-related illnesses such as high blood pressure, tension headache and stomach ulcers.