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Long-term use of marijuana can have negative effects on cognitive function, including memory, concentration, and problem-solving skills. Studies have shown that heavy and prolonged use of marijuana during adolescence can lead to a decrease in IQ. However, the exact impact of marijuana on IQ can vary depending on individual factors such as frequency of use, age of onset, and amount consumed.
IQ creep refers to the phenomenon where average IQ scores have been increasing over time. This has been documented through the Flynn effect, which suggests that IQ scores have been rising by about 3 points per decade. The reasons for this increase are still debated among psychologists and may be influenced by factors such as improved nutrition, education, and technology.
Increased risk of chronic bronchitis.
Stalin had 140 IQ
The average IQ of Canadians is around 100, which is considered to be the global average IQ score. It is important to note that IQ scores can vary and are influenced by various factors.
There have been no confirmed effects on the brain caused by marijuana other than increased oxygen to both hemispheres. Also, the brain is covered in things called cannabinoid receptors. Cannabinoids are only found in marijuana and human breast milk.