A. Geriatrics is the study of older people
Gynecology is the study of women's reproductive health
Obstetrics is the study of pregnancy and child birth
Pediatrics is the study of children
The correct answer is A: Having a small salad before meals
A risk behavior is a behavior that carries some form of risk. In the case of teenagers and health risk this can include habits that can be particularly dangerous toward their and other now and future health. protected sex for example is a risky behavior which could cause STD infections.
Being knowledgeable about risk behaviors is a requirement in order to keep teens safe, and develop solutions to such dangers.