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Researchers found that more days of use were correlated with decreases in inhibitory control, and visuospatial ability. Contrary to existing cross-sectional studies showing marijuana use in adolescence is associated with poor cognitive functioning, there were no associations between long-term cannabis use and memory and processing speed. [55]
The observed effects on memory and learning, they said, showed long-term cannabis use caused "selective memory defects", but "of a very small magnitude". [85] A study by Johns Hopkins University School of Medicine found that heavy cannabis use is associated with decrements in neurocognitive performance even after 28 days of abstinence.
Short-term adverse effects include generalized impairment of neurocognitive function, dizziness, nausea, vomiting, and hangover-like symptoms. Alcohol is addictive to humans, and can result in alcohol use disorder, dependence and withdrawal. It can have a variety of long-term adverse effects on health, such as liver and brain damage, [13] [14 ...
Some cannabis users might experience rare side effects like chronic coughing, shortness of breath, vomiting and nausea. Cannabis hyperemesis syndrome causes regular cannabis users to vomit, and ...
There are plenty of studies detailing the negative effects of marijuana as well. Only now, science is suggesting marijuana isn't all bad as might have been previously believed.
Alcohol-related deaths have climbed nationally in the past few years: The U.S. saw a 25% spike in deaths during the first year of the pandemic, a trend that particularly affected middle-aged adults.
The level of ethanol consumption that minimizes the risk of disease, injury, and death is subject to some controversy. [16] Several studies have found a J-shaped relationship between alcohol consumption and health, [17] [18] [2] [19] meaning that risk is minimized at a certain (non-zero) consumption level, and drinking below or above this level increases risk, with the risk level of drinking a ...
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