NEW YORK (Reuters Health) - People with a patchy form of hair loss called alopecia areata might be helped with hypnosis, a preliminary study suggests.
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n most cases, the study participants received hypnosis along with some other medical treatment. During the hypnotherapy sessions, which took place once every three weeks, study participants were given various suggestions, such as to imagine the healing effects of the sun's warmth on their scalp.

After treatment with a minimum of just three to four sessions of hypnotherapy, 12 patients experienced hair growth on at least 75 percent of their scalp, and nine of these 12 experienced total hair growth, Willemsen and colleagues report.
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http://news.yahoo.com/s/nm/20060825/hl_nm/hypnosis_dc