Osteoporosis leads to painful fractures due to loss of bone mass; yoga strengthens bones without endangering joints: it stands to reason that yoga is the perfect therapy for osteoporosis. Forty-four million Americans suffer from low bone mass, and osteoporosis is responsible for more than 1.5 million fractures annually. Drugs and surgeries can alleviate pain, but study after study has shown that exercise is the best treatment, specifically low-impact,...