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Section 6
6.1 What Is the State of the Science of Hair Analysis?
Although consensus was not required, the panelists did agree on the following overall conclusion statement:
For most substances, insufficient data currently exist that would allow the prediction of a health effect from the concentration of the substance in hair.3 The presence of a substance in hair may indicate exposure (both internal and external), but does not necessarily indicate the source of exposure.
3This statement addresses only exposure to environmental contaminants and does not address substances of abuse.
Agency for Toxic Substances and Disease Registry, 1825 Century Blvd, Atlanta, GA 30345
Contact CDC: 800-232-4636 / TTY: 888-232-6348
