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Preview: Hooked

April 26, 2012 1:38 PM

Dr. Nora Volkow, head of the National Institute on drug abuse, uses the brain scans of addicts to show how difficult it is to just say no to drugs and other addictive behaviors, including eating. Morley Safer reports on Sunday, April 29 at 7 p.m. ET/PT.

Hooked: Why it's not so easy to "just say no"
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by malcolmkyle April 30, 2012 2:49 AM EDT
The tables listed below show the rankings given for each of the drugs. Overall, their evaluations for the drugs are very consistent. It is notable that marijuana ranks below caffeine in most addictive criteria, while alcohol and tobacco are near the top of the scale in many areas.

The rating scale is from 1 to 6 --- 1 denotes the drug with the strongest addictive tendencies, while 6 denotes the drug with the least addictive tendencies.


HENNINGFIELD RATINGS

Substance Withdrawal Reinforcement Tolerance Dependence Intoxication

Nicotine 3 4 2 1 5

Heroin 2 2 1 2 2

Cocaine 4 1 4 3 3

Alcohol 1 3 3 4 1

Caffeine 5 6 5 5 6

Marijuana 6 5 6 6 4


BENOWITZ RATINGS

Substance Withdrawal Reinforcement Tolerance Dependence Intoxication

Nicotine 3* 4 4 1 6

Heroin 2 2 2 2 2

Cocaine 3* 1 1 3 3

Alcohol 1 3 4 4 1

Caffeine 4 5 3 5 5

Marijuana 5 6 5 6 4
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by HighwayMan0 April 29, 2012 10:27 PM EDT
We could start lobotomizing all these addicts so they aren't stimulated by Big Macs, sex or alcohol.
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by snrein April 29, 2012 11:21 AM EDT
Those donuts look delicious.
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