Much has been said about positive thinking, which can not only reduce stress, but can also help people overcome medical and not medical problems.
It's about seeing the positive situation in your life and in the world, It's not about thinking that everything is going to be wonderful and that it will never hurt you, focus on finding solutions, focus those negative events in a different way and focus on doing what's best for you instead of always looking at the worst.
Start with your thoughts and your internal dialogue. When you have more negative than positive thoughts, then your outlook on life is likely to be pessimistic and you will end up in more negative situations. If your thoughts are positive, you will most likely be optimistic and probably practice positive thinking on a daily basis. You will enjoy more of life and you will not have so much stress to deal with it.
Stronger immune systems, ability to recover from a faster surgery, you will be happier, you will be less likely to be depressed, you will have better mental ability, in general a better physical health, having a positive attitude only helps you cope better with things and concentrate on the solutions instead of increasing the problems. They are better able to handle stress and setbacks than those who are more pessimistic. In addition, people who are optimistic tend to be more physically active and, as a result, tend to be healthier and live longer.