- "People who did tai chi improved more than 30% in lower-body strength and 25% in arm strength — almost as much as those who participated in resistance training, and more than those assigned to brisk walking."
- "Tai chi also improves muscle strength and flexibility, which makes it easier to recover from a stumble."
- "An hour of tai chi twice a week for 12 weeks reduced pain and improved mood and physical functioning more than standard stretching exercises in people with severe knee osteoarthritis."
- "A review of six controlled studies by Dr. Wayne and other Harvard researchers indicates that tai chi may be a safe and effective way to maintain bone density in postmenopausal women."
- "A year of tai chi significantly boosted exercise capacity, lowered blood pressure, and improved levels of cholesterol, triglycerides, insulin, and C-reactive protein in people at high risk for heart disease."
- "Tai chi lowered blood pressure — with improvements ranging from 3 to 32 mm Hg in systolic pressure and from 2 to 18 mm Hg in diastolic pressure."
- "16 weeks of tai chi improved the quality and duration of sleep significantly more than standard sleep education."
-- Harvard Health Website

Tai chi ... might well be called "medication in motion." There is growing evidence that this mind-body practice ...has value in treating or preventing many health problems. -- Harvard Medical School's Harvard Health Publication, May, 2009

"...it appears that tai chi might be an effective therapy for improving a person's ability to walk, move steadily, and balance." -- New England Journal of Medicine

"The randomized, control study published in Biological Psychiatry found that tai chi worked just as well as cognitive behavioral therapy—a form of psychotherapy aimed at changing thought and behavior patterns—to improve sleep and relieve inflammation. Subjects who participated in tai chi experienced reductions in inflammation at the cellular level and a closure of inflammatory signaling pathways. These results were maintained throughout a 16-month follow-up period. Participants also showed improved sleep patterns and much lower stress levels." -- Biological Psychiatry

"Participants in the tai chi group experienced reduced anxiety, less depression, increased energy, and an overall improved quality of life." -- Harvard Archives of Internal Medicine

"The results... are quite impressive," -- Ray Dorsey, MD, MBA, neurologist and associate professor at Johns Hopkins School of Medicine in Baltimore

"Tai chi improves balance and motor control in Parkinson's disease." -- Harvard Health Blog May 3, 2013

Tai Chi Helps Ease Parkinson's Disease Symptoms, Study Shows -- Huffington Post Feb 9, 2012