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  1. en.wikipedia.org › wiki › AddictionAddiction - Wikipedia

    1 day ago · Psychiatry, clinical psychology, toxicology, addiction medicine. Addiction is a neuropsychological disorder characterized by a persistent and intense urge to use a drug or engage in a behaviour that produces natural reward, despite substantial harm and other negative consequences.

  2. en.wikipedia.org › wiki › CortisolCortisol - Wikipedia

    5 hours ago · Cortisol is a steroid hormone, in the glucocorticoid class of hormones and a stress hormone. When used as a medication, it is known as hydrocortisone . It is produced in many animals, mainly by the zona fasciculata of the adrenal cortex in the adrenal gland. [1]

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