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Core Concepts in Health Cover Image
Core Concepts in Health, 9/e
Paul M. Insel, Stanford University School of Medicine
Walton T. Roth, Stanford University School of Medicine

Taking Charge of Your Health


wellness  Optimal health and vitality, encompassing physical, emotional, intellectual, spiritual, interpersonal, social, and environmental well-being.
locus of control  The figurative "place" a person designates as the source of responsibility for the events in his or her life.
target behavior  An isolated behavior selected as the object of a behavior change plan.
infectious disease  A disease that is communicable from one person to another; caused by invading microorganisms such as bacteria and viruses.
chronic disease  A disease that develops and continues over a long period of time; usually caused by a variety of factor, including lifestyle factors.
self-efficacy  The belief in one's ability to take action and perform a specific behavior.