Biological approach - Smoking Flashcards
1
Q
Describe the role of genetics in smoking addictions.
A
Shields looked at 42 MZ twins who were reared apart. Only 9/42 were discordant.
2
Q
What did Kendler find?
A
Estimated heritability of nicotine dependence between 60-70%
3
Q
What did Altman find?
A
Nicotine affects the nervous system by raising dopamine levels.
