Frequent Marijuana use can negatively affect the brains of teenagers and young adults.
That is according to a group of psychologists discussing public health at the American Psychological Association’s 122nd Annual Convention.
“It needs to be emphasised that regular cannabis use, which we consider once a week, is not safe and may result in addiction and neurocognitive damage, especially in youth,” said Krista Lisdahl, PhD, director of the brain imaging and neuropsychology lab at University of Wisconsin-Milwaukee.
Marijuana use is increasing in America, according to Lisdahl, who pointed to a 2012 study showing that 6.5% of high school seniors reported smoking marijuana daily, up from 2.4% in 1993.
Additionally, 31% of young adults (ages 18 to 25) reported using marijuana in the last month.
Source: thejournal.ie, 20/08/2014
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