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How Osteogenesis Imperfecta Works

How could a high-five or a handshake lead to a wrist fracture? People with osteogenesis imperfecta must carefully consider these seemingly innocent actions to prevent broken bones.

L-arginine: What You Need to Know

This guy looks good with his rippling abs, immense pecs and biceps, and zero percent body fat. He points confidently to the camera and announces it's all due to daily supplements of an incredible little amino acid, L-arginine. But can you trust him?

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