Efforts to discourage teenagers from smoking and efforts to encourage smokers to quit is an example of primary prevention.
Preventive measures encompass a wide range of "interventions" aimed at reducing hazards or threats to health. The primary, secondary, and tertiary categories of prevention might have come about in conversations between researchers and medical experts.
Primary prevention aims to thwart disease or injury before it even begins. To achieve this, dangerous or unhealthy habits must be changed, exposure to dangers that can cause disease or injury must be reduced, and resistance to disease or damage, should exposure occur, must be strengthened.
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