EDTA Chelation Therapy (for heart disease)
Description: A chemical process in which the man-made amino acid ethylene diamine tetra-acetic acid (EDTA), administered intravenously, is supposed to mop up and remove artery-clogging calcium plaque from blood vessels.
Effectiveness: Some 800,000 Americans a year try it, though there's scant scientific evidence to back it up. But in 2002, the NIH launched a $30 million, five-year study to see if it really works. Meanwhile, with safety and effectiveness still in doubt, it's probably prudent to wait.
Therapeutic Touch and Healing Touch
Description: Therapies in which a healer passes her hands over a patient to identify energy imbalances and promote healing by restoring balance.
Effectiveness: Preliminary studies suggest that they help bring relaxation to people with dementia and prolong abstinence for substance abusers.
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