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Behavior change (public health)


Behavior change is a central objective in public health interventions, with an increased focus on prevention prior to onset of disease. This is particularly important in low and middle income countries, where efficiency of health spending and costs and benefits of health interventions has come under increased scrutiny in recent decades. Behavior change in public health is also known as Social and Behavior Change Communication (SBCC).

Health conditions and infections are associated with risky behaviors. Tobacco use, alcoholism, multiple sex partners, substance use, reckless driving, obesity, or unprotected sexual intercourse are some examples. Human beings have, in principle, control over their conduct. Behavior modification can contribute to the success of self-control, and health-enhancing behaviors. Risky behaviors can be eliminated including physical exercise, weight control, preventive nutrition, dental hygiene, condom use, or accident prevention. Health behavior change refers to the motivational, volitional, and action based processes of abandoning such health-compromising behaviors in favor of adopting and maintaining health-enhancing behaviors. Addiction that is assoociated with risky behavior may have a genetic component.

One emerging concept in the American health system is that of small, manageable changes. It is not necessary to make sweeping, drastic alterations to one's whole lifestyle in order to see benefit. Dietary and exercise contexts, in particular show the benefit of moderate, slow changes. For example, behavior change steps to include more physical activity can improve ones life expectancy, control weight, and boost mental health. It is also known to reduce the chance of some diseases such as type 2 diabetes, cardiovascular disease, and some cancers. Healthy behaviors and practices during youth, particularly in school settings, is far more cost-effective than waiting until unhealthy behaviors are entrenched. A study of the Toward No Tobacco program, which was designed to prevent cigarette use among middle and high school students, found that for every dollar invested in school tobacco prevention programs, almost $20 in future medical care costs would be saved.


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