9781422272176

WORDS TO UNDERSTAND endorphins— peptides released by the brain that, among other functions, reduce perception of pain and induce feelings of euphoria Centers for Disease Control and Prevention (CDC)— a U.S. government agency responsible for developing and applying disease prevention and control initiatives, environmental health, health promotion, and health education activities National Institute of Mental Health (NIH)— the lead United States government agency for research on mental disorders.

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