"The results overwhelmingly favored entrepreneurs, who evidenced significantly lower blood pressure and hypertension rates, fewer hospital visits, and reduced i

"The results overwhelmingly favored entrepreneurs, who evidenced significantly lower blood pressure and hypertension rates, fewer hospital visits, and reduced incidence of physical and mental illnesses." How many times do we need to repeat the basic statistical fact that correlation does not equal causation? We need to teach this in grade school because it is lost on so many people. You can think up many attributes of entrepreneurs that might explain lower stress in general: more entrepreneurs likely come from wealth, have resources to start a business, have a sense of confidence in themselves etc.