Many factors affect your health. Some you cannot control, such as your genetic makeup or your age. But you can make changes to your lifestyle. By taking steps toward healthy living, you can help reduce your risk of heart disease, cancer, stroke and other serious diseases. For example, See your doctor for regular screenings , not just when you are sick Maintain a healthy weight Eat a variety of healthy foods, and limit calories and saturated fat Be physically active Control your blood pressure and cholesterol Quit smoking Protect yourself from too much sun