Alternative News
The herbal dietary supplement Ginkgo biloba did not lower blood pressure (BP) or reduce the incidence of hypertension (high BP) in a large group of older men and women, according to research recently reported in the American Journal of Hypertension. Although preliminary studies in animals and humans have indicated that ginkgo might have antihypertensive effects, this research was the first to explore that possibility in a large, long-term, placebo-controlled clinical trial.
Although the herb Ginkgo biloba is widely marketed and used to improve cognitive health in aging, adequate scientific evidence of its effect on long-term cognitive functioning has been lacking. In a recent study, NCCAM-funded researchers analyzed data from the Ginkgo Evaluation of Memory (GEM) study to determine ginkgo's effect on cognitive health in older adults.
Tai chi (pronounced "tie chee" and also known by some other names and spellings) is a mind-body practice that originated in China as a martial art. A person doing tai chi moves his body slowly and gently, while breathing deeply and meditating (tai chi is sometimes called "moving meditation"). Many practitioners believe that tai chi helps the flow throughout the body of a proposed vital energy called qi (pronounced "chee," it means "air," "puff," or "power"). In the United States, tai chi for health purposes is part of complementary and alternative medicine, or CAM. This Backgrounder provides a general overview of tai chi and suggests some resources you can use to find more information.
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