If you read some of the mind body studies,, you would understand. You can literally make yourself sick, make your body chemistry worse. I know what its like to obsess, I know what its like to wait for a mammogram result when it runs in my family. I have many times seen people(including my mother) develop cancer after an extremely stressful life event. With 6 cancer survivors in my family and my brother knowing more than almost anyone on earth about It, I am not giving frivolous advice. This principal applies to most health issues.