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Epidemiologic studies have identified psychological risk factors for specific physical diseases, but the biological mechanisms mediating these relationships remain poorly defined.Social inhibition and autonomic nervous system (ANS) activity were assessed on multiple occasions in 54 gay men with asymptomatic human immunodeficiency virus (HIV) infection. Following baseline ANS assessment, plasma HIV-1...
Behavioral inhibition to the unfamiliar (BI), a heritable temperamental profile involving an avoidant response to novel situations, may be an intermediate phenotype in the development of anxiety disorders. Corticotropin-releasing hormone (CRH) is a key mediator of the stress response through its effects on the hypothalamic-pituitary-adrenal axis and limbic brain systems. Transgenic mice overexpressing...
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