Portside

If you take a healthy 20 year-old, force them to sit all day, and refuse to let them do any physical labor out of fear they might hurt themself, it would cause them to “age” extremely rapidly. We need to promote more, not less physical activity for our elders. The next time you consider telling your grandmother to sit down, think about whether that’s really in her best interest.

It reduces cancer risk, promotes weight loss, slows type 2 diabetes. Prevents heart disease, addresses high blood pressure and cholesterol. Reduces strokes and heart attacks. Improves immunity. Blocks dementia and relieves depression. This is something you really have to know about.

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After some suave marketers used clips from Oz's TV show to sell bogus products, he faced a grilling from a panel of U.S. senators about his weight loss product claims. Oz then invited his Twitter audience, "What is your biggest question for me? Reply with #OzsInbox." Unfortunately for Oz, this strategy backfired. Horrendously. Immediately after Oz asked the question, Twitter gave Dr. Oz a hilarious slap across the face.

Exercise, a new study finds, changes the shape and functioning of our genes, an important stop on the way to improved health and fitness. More than 5,000 sites on the genome of muscle cells are altered by exercise.

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