Doctors Explain Exercise Benefits

(CNN) — If you want to live longer, stay leaner, boost your mood, and keep your mind young, grab your tennis shoes and get moving.

Try this weekly exercise prescription from the Cleveland Clinic. Get 30 minutes of resistance training a week.

“General physical activity, 10,000 steps a day, 20 minutes, three times a week of cardio,” said Dr. Michael Roizen of the Cleveland Clinic.

And make that cardio strenuous enough to break a sweat for the whole 20 minutes. It’s worth the effort because exercise also decreases the risk for many serious medical conditions. Roizen says it “decreases heart attacks, decreases arrythmias, decreases cancer all throughout your body. Almost every cancer is decreased because what exercise does is improve immune function.”

Working out not only builds muscles but builds brain. Exercise helps prevent the loss of brain volume as we age, and it helps keep our brain circuits young and our thinking sharp. Being physically active can enrich our golden years.

“Not only do you live longer, but you compress the period of disability so you live healthier, longer,” Roizen said.

Experts add, you’re never too old to start exercising.

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