ANNOUNCER: Physical fitness plays an important role in how we age and feel.
MICHAEL ROIZEN, MD: From a health standpoint, there are three different areas you get benefits in that we have well-quantified.
Arterial aging: arterial aging is associated with heart disease, stroke, memory loss, impotence, decay in orgasm quality, even wrinkling of the skin.
Immune aging: that's associated with infections and cancer, even autoimmune disease such as many forms of arthritis.
And then accidents and disability from accidents. All three are affected by physical activity.
ANNOUNCER: Lack of activity and the obesity that can result, may also increase the risk of health complications.
MICHAEL ROIZEN, MD: Iit's the side effects of obesity that are so great a risk. Blood pressure elevations, sleep apnea, arthritis, diabetes, the altered self-image that obesity causes or is associated with it. All are tremendously aging.
ANNOUNCER: That's why exercise is vital when it comes to a healthy body. Dr. Roizen has seen his patients stuggle with this in his practice. That is why he recommends the following steps.