... ] can no longer compensate, and performance drops" (Hopson, 2013). So with continued use of drinking, kids performance level in school on tests will start to decline due to many effects that alcohol has on different regions of the brain. Administration of Drugs Depending on the form of ... the prefrontal cortex. A longitudinal study done in New Zealand shows that people who began smoking marijuana heavily in their teens lost an average of 8 IQ points between the ages of 13 and 38. The lost cognitive abilities from these teens did not fully restore. However the adults that started smoking...

• Word Count: 2034
• Approx Pages: 8
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• Grade Level: Undergraduate