When you’re a high achiever, especially when you’re someone who works long hours to climb to the top of your field, it can be tempting to focus your time and energy there and consequently neglect your health. You may tell yourself that you feel fine, or that you don’t have time to exercise, or that you’ll change to a healthier diet when you’re older. But poor diet, lack of exercise, and toxic stress from long hours of work can create the perfect ground for heart disease.