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3- Explain what is meant by a therapeutic index.
Brainstem
The brain region linking the cerebrum to the spinal cord, responsible for regulating essential life-sustaining functions, including respiration, cardiac rhythm, and arterial pressure.
Longitudinal Study
A research method that involves observing and collecting data from the same subjects repeatedly over a period of time to examine long-term effects or trends.
Anorexia
An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight or shape.
Bulimia
Bulimia is an eating disorder characterized by episodes of binge eating followed by compensatory behaviors such as vomiting, fasting, or excessive exercise.
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