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Hair analysis (alternative medicine)

Hair analysis (alternative medicine)
Alternative therapy
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In mainstream scientific usage, hair analysis is the chemical analysis of a hair sample. The use of hair analysis in alternative medicine as a method of investigation to assist alternative diagnosis is controversial and its use in this manner has been opposed repeatedly by the AMA because of its unproven status and its potential for health care fraud.

In hair analysis the levels of minerals and metals in the hair sample are analyzed. Alternative medicine advocates state that this allows them to diagnose mineral deficiencies, heavy metal poisoning, and that patients afflicted by conditions such as autism have anomalous hair test results.

As of 1998, of the 9 commercial 'nutritional hair analysis' laboratories currently operating in the United States, 3 indicate that they primarily use ICP-MS, 4 primarily use ICP-AES, and 1 reports use of directly coupled plasma (DCP)-AES. DCP-AES is an older technique that is potentially less stable than ICP-AES. On average, these laboratories measure 26 elements per hair sample. Nutritional hair analysis laboratories require between 0.3 and 1 gram for the AES methods, and 0.25-1 gram for ICP-MS." The amount selected depends on the analytical method used, but sample sizes in the 50 milligram range are reported.

In 1983, a New York Times article criticized the industry for inconsistent results, fraudulent practices, unscientific aspects, and being "a consumer ripoff that in some cases is dangerous."

In 1984, the FTC successfully obtained an injunction to stop a hair analysis laboratory's false claims to the public, on the basis that it was "inaccurate, worthless to consumers and possibly harmful because it might prevent patients from seeking proper medical attention."

In a 1985 investigation of 13 commercial laboratories published in the Journal of the American Medical Association noted inconsistencies and questionable content in their reports and recommendations:


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