The purpose of this research is to demonstrate a relationship between cortisol measured in hair, cortisol measured in saliva, and the results of self-reported psychological measures (questionnaires).
1) between the ages of 18-64 years, 2) able to read and speak English, 3) have a smartphone or equivalent.
Detailed Eligibility: Exclusion criteria include: 1) Having a serious medical condition likely to influence neuroendocrine parameters, 2) use of steroid medications, 3) having a dental disease associated with bleeding in the oral regions, 4) absence of or lack of hair (baldness or posterior vertex hair length less than 2 cm), 5) if female, pregnant or planning to become pregnant in the next two months, 6)use of whole head hair bleach
Not Applicable - Describes studies without FDA-defined phases, including studies of devices or behavioral interventions.
Department Specific Free Standing Clinic
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