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The Effects of Tai Chi Chih on Immunity and Sleep

Tai Chi Chih not only calms the mind but also promotes healthy aging by improving viral immunity and sleep quality.


The study conducted by Dr. Michael R. Irwin focuses on the Herpes Zoster, a virus which commonly afflicts older adults, and how a mind-body approach can complement vaccine usage by augmenting immune responses in these individuals. Dr. Irwin describes several studies, which suggest that the application of a relaxation-response based mind-body intervention promotes improvements in health functioning, viral specific immunity, and inflammation.

Michael R. Irwin, MD is the Cousins Distinguished Professor of Psychiatry and Biobehavioral Science at the UCLA David Geffen School of Medicine and the Director of the Cousins Center for Psychoneuroimmunology at UCLA Semel Institute for Neuroscience and Human Behavior.


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