acquired immune deficiency syndrome (AIDS) | A disease caused by the human immunodeficiency virus (HIV), a sexually transmitted infection that destroys the body's immune system.
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aerobic exercise | Sustained exercise, such as jogging, swimming, or cycling, that stimulates heart and lung functioning.
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behavioral medicine | An interdisciplinary field that focuses on developing and integrating behavioral and biomedical knowledge to promote health and reduce illness.
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exercise | Structured activities whose goal is to improve health.
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general adaptation syndrome (GAS) | Selye's term for the common effects on the body when demands are placed on it. The GAS consists of three stages: alarm, resistance, and exhaustion.
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health behaviors | Practices that have an impact on physical well-being
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health psychology | A field that emphasizes psychology's role in establishing and maintaining health and in preventing and treating illness.
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implementation intentions | Specific strategies (such as setting specific plans and goals) for dealing with the challenges of making a life change.
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psychoneuroimmunology | The field that explores connections among psychological factors (such as attitudes and emotions), the nervous system, and the immune system.
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relapse | A return to former unhealthy patterns.
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self-efficacy | The belief that one can master a situation and produce positive outcomes
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sexually transmitted infection (STI) | Infections that are contracted primarily through sex—vaginal intercourse as well as oral-genital and anal-genital sex.
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stages of change model | Five-step model that describes the process by which individuals give up bad habits and adopt healthier lifestyles.
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stress management programs | Programs that teach individuals to appraise stressful events, to develop skills for coping with stress, and to put these skills into use in everyday life.
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theory of planned behavior | Model for effective change incorporating the theory of reasoned action but adding the person's perceptions of control over the outcome.
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theory of reasoned action | Model suggesting that effective change requires individuals to have specific intentions about their behaviors, as well as positive attitudes about the new behavior, and to perceive that their social group looks on the behavior positively.
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