What can you do to help prevent illness?

You can stay healthy, live longer, and delay or prevent many diseases by doing the following:
Exercising—Do any physical activity you enjoy for 20–30 minutes, 5 or 6 days a week. Talk to your doctor about the right exercise program for you.
Eating well—Eat a healthy diet of different foods, like fruits, vegetables, protein (such as meat, fish, or beans), and whole grains (such as brown rice). You should also limit the amount of saturated fat you eat.
Keeping a healthy weight—Watch your portions, and try to balance the number of calories you eat with the number you burn by exercising.
Not smoking—If you smoke, talk with your doctor about getting help to quit.
Get preventive services—Delay or lessen the effects of diseases by getting preventive services (like screening tests) to find disease early, and shots to keep you from getting dangerous illness