12/27/2023 0 Comments Daily reflections aa june 5th![]() Marijuana use may have a wide range of effects, both physical and mental. What are the other health effects of marijuana? Higher THC levels may also mean a greater risk for addiction if people are regularly exposing themselves to high doses. Therefore, people may consume more to feel the effects faster, leading to dangerous results. Edibles take longer to digest and produce a high. The popularity of edibles also increases the chance of harmful reactions. Higher THC levels may explain the rise in emergency room visits involving marijuana use. 7 For a person who's new to marijuana use, this may mean exposure to higher THC levels with a greater chance of a harmful reaction. The amount of THC in marijuana has been increasing steadily over the past few decades. Read more about the ABCD study on our Longitudinal Study of Adolescent Brain and Cognitive Development (ABCD Study) webpage. 6 NIDA’s Adolescent Brain Cognitive Development (ABCD) study, a major longitudinal study, is tracking a large sample of young Americans from late childhood to early adulthood to help clarify how and to what extent marijuana and other substances, alone and in combination, affect adolescent brain development. This suggests that the IQ decline in marijuana users may be caused by something other than marijuana, such as shared familial factors (e.g., genetics, family environment). In another recent study on twins, those who used marijuana showed a significant decline in general knowledge and in verbal ability (equivalent to 4 IQ points) between the preteen years and early adulthood, but no predictable difference was found between twins when one used marijuana and the other didn't. Those who started smoking marijuana as adults didn't show notable IQ declines. The lost mental abilities didn't fully return in those who quit marijuana as adults. Researchers are still studying how long marijuana's effects last and whether some changes may be permanent.įor example, a study from New Zealand conducted in part by researchers at Duke University showed that people who started smoking marijuana heavily in their teens and had an ongoing marijuana use disorder lost an average of 8 IQ points between ages 13 and 38. When people begin using marijuana as teenagers, the drug may impair thinking, memory, and learning functions and affect how the brain builds connections between the areas necessary for these functions. Marijuana also affects brain development. psychosis (risk is highest with regular use of high potency marijuana).hallucinations (when taken in high doses).difficulty with thinking and problem-solving.altered senses (for example, seeing brighter colors). ![]() Marijuana over activates parts of the brain that contain the highest number of these receptors. These natural chemicals play a role in normal brain development and function. THC acts on specific brain cell receptors that ordinarily react to natural THC-like chemicals. In that case, they generally feel the effects after 30 minutes to 1 hour. The body absorbs THC more slowly when the person eats or drinks it. ![]() The blood carries the chemical to the brain and other organs throughout the body. When a person smokes marijuana, THC quickly passes from the lungs into the bloodstream. Image by NIDA THC acts on numerous areas in the brain (in yellow). ![]() Read more about marijuana as medicine in our DrugFacts: Marijuana as Medicine. Legalization of marijuana for medical use or adult recreational use in a growing number of states may affect these views. In 2022, nearly 20.6% of 12th graders reported that they vaped marijuana in the past year and 2.1% reported that they did so daily. In addition, many young people also use vaping devices to consume cannabis products. In 2022, 30.7% of 12th graders reported using marijuana in the past year and 6.3% reported using marijuana daily. 1 According to the Monitoring the Future survey, rates of past year marijuana use among middle and high school students have remained relatively steady since the late 1990s. In 2021, 35.4% of young adults aged 18 to 25 (11.8 million people) reported using marijuana in the past year. Extracts can also be made from the cannabis plant (see " Marijuana Extracts").Īccording to the National Survey on Drug Use and Health, cannabis (marijuana) is one of the most used drugs in the United States, and its use is widespread among young people. The plant contains the mind-altering chemical THC and other similar compounds. Marijuana refers to the dried leaves, flowers, stems, and seeds from the Cannabis sativa or Cannabis indica plant.
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