saliva tests

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Saliva consists of watery secretions from salivary glands that can be used in tests for various chemicals, e.g., cotinine, which is a metabolic product of nicotine and is a sensitive test for the presence of nicotine, useful therefore to validate smoking/nonsmoking status, and for the presence of drugs. Saliva can also be used to test for the presence of antibodies such as HIV or other infectious disease agents, including Helicobacter pylori, and for DNA by extracting buccal cells that are suspended in saliva.

Subjects: Public Health and Epidemiology.

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