Tai Chi Chuan strengthens your health on a broad front concludes this article with many references to scientific research.
When you search on Tai Chi at JAMA Internal Medicine you'll find countless quality surveys showing the positive effects of Tai Chi. The scientific quality of the articles are checked by experts.
Scientific research on Qigong goes on all the time. Lots of research results here.
Lots of articles about scientific research into the Qi-phenomenon - apart of course from information about Tai Chi Chuan, Qigong, acupuncture and herbs.
Randomized controlled trials, nonrandomized controlled studies, and observational studies of 11 computerized English and Chinese databases. There were 9 randomized controlled trials, 23 nonrandomized controlled studies, and 15 observational studies in this review. Benefits were reported in balance and strength, cardiovascular and respiratory function, flexibility, immune system, symptoms of arthritis, muscular strength, and psychological effects.
Peter Wayne's research at Harvard Medical School has, inter alia, identified the positive effects of Tai Chi against Parkinson plaguing more and more elderly people.
This short article offer some perspectives on the scientific verified effects of Tai Chi.