Recruitment and Feasibility of Hair Cortisol Collection in a Sample of Ethnically and Sexually Diverse, Low-Income Adults: A Qualitative Community-Partnered Participatory Research Study.

Cortisol is the hormone secreted by the body to respond to stressful situations, so measuring the concentration of cortisol in the hair is very useful in analyzing chronic stress.

Proteins left behind by COVID-19 long after initial infection can cause cortisol levels in the brain to plummet, inflame the nervous system and prime its immune cells to hyper-react when another ...