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File photo of teen smoking marijuana cigarette (LondonPhotos-Homer Sykes/Alamy)
Marijuana teens lower IQ
Marijuana teens lower IQ

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A new study has found that teens who regularly smoke marijuana have lower IQ scores as adults (how many points lower, on average?). They also show symptoms typically associated with this illness. For the study, researchers observed more than 1,000 people in New Zealand for 20 years.
 
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Read about two men arrested this week for allegedly smuggling 187 pounds of weed.
 
 
 
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