Tai chi is gentle and not strenuous. Benefits have been shown to include a positive effect on muscle strength, flexibility, and balance, and it can be practiced by people in nearly any state of health or physical condition.
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An Introduction to Tai Chi - Harvard Health
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The Harvard Medical School Guide to Tai Chi: 12 Weeks to a Healthy Body, Strong Heart, and Sharp Mind (Paperback)
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The Harvard Medical School Guide to Tai Chi: 12 Weeks to a Healthy Body, Strong Heart, and Sharp Mind (Harvard Health Publications) eBook : Wayne, Peter M.: Kindle Store
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