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If P (A and B)= 0,then A and B must be mutually exclusive.
Smoking
The act of inhaling and exhaling the smoke of burning plant material, especially tobacco.
Teen Drug Abuse
The use and abuse of drugs by adolescents, often leading to addiction, health risks, and other social and psychological problems.
Adoptive Parent
An individual who has become a parent through the legal process of adopting one or more children.
Dopamine Levels
The concentration of dopamine, a neurotransmitter associated with the brain's reward and pleasure centers, motor function, and regulation of mood.
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