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Author Question: Explain the basis for the notion that drug abuse is heritable. What will be an ideal ... (Read 44 times)

clmills979

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on: Jun 22, 2018
Explain the basis for the notion that drug abuse is heritable.
 
  What will be an ideal response?

Question 2

Summarize the association between schizophrenia and drug abuse.
 
  What will be an ideal response?


dominiqueenicolee

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: Twin studies suggest the importance of both heredity as well as environment.
Specifically, abuse of every drug type (except for psychedelics) was influenced by genetics. Genetics seem to be important for determining whether a person becomes addicted. Heritability estimates range from 0.4 to 0.6.

Answer to Question 2

Answer: There is a comorbidity between schizophrenia and drug abuse. Half of all schizophrenia patients also suffer from drug or alcohol abuse or engage in smoking. Smokers with a psychiatric disorder constitute 7 of the general population but consume 34 of all cigarettes.


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