| http://www.w3.org/ns/prov#value | - Yoga Woo (Steven Novella) http://www.sciencebasedmedicine.org/yoga-woo/ Yoga is an effective form of stretching and exercise, but it is also a spiritual practice and it often makes pseudoscientific health claims like ???this pose stretches the optic nerve.??? There is some evidence that yoga helps with back pain, but no evidence that it is superior to other forms of exercise.
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