The current state of science on the adverse health effects of marijuana use links the drug to several significant adverse effects including addiction, a review reports. Volkow, Director, National Institute on Drug Abuse NIDA The review describes the science establishing that marijuana can be addictive and that this risk for addiction increases for daily or young users. It also offers insights into research on the gateway theory indicating that marijuana use, similar to nicotine and alcohol use, may be associated with an increased vulnerability to other drugs.
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. Researchers are still studying how long marijuana's effects last and whether some changes may be permanent.
For 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 The lost mental abilities didn't fully return in those who quit marijuana as adults.
Those who started smoking marijuana as adults didn't show notable IQ declines. This suggests that the IQ decline in marijuana users may be caused by something other than marijuana, such as shared familial factors e.
Higher THC levels may explain the rise in emergency room visits involving marijuana use. The popularity of edibles also increases the chance of harmful reactions.
Edibles take longer to digest and produce a high. Therefore, people may consume more to feel the effects faster, leading to dangerous results. Higher THC levels may also mean a greater risk for addiction if people are regularly exposing themselves to high doses. What are the other health effects of marijuana?
Marijuana use may have a wide range of effects, both physical and mental.
Physical Effects Breathing problems. Marijuana smoke irritates the lungs, and people who smoke marijuana frequently can have the same breathing problems as those who smoke tobacco. These problems include daily cough and phlegm, more frequent lung illness, and a higher risk of lung infections.
Researchers so far haven't found a higher risk for lung cancer in people who smoke marijuana. Marijuana raises heart rate for up to 3 hours after smoking.
Jan 12, · Marijuana's Health Effects Scrutinized By Top Scientists: Shots - Health News The National Academies of Sciences, Engineering and Medicine sorted through 10, studies to determine the good and bad health effects of marijuana. Tight drug restrictions impede research, they say. Cannabis research is challenging since the plant is illegal in most countries. Research-grade samples of the drug are difficult to obtain for research purposes, unless granted under authority of national governments. There are also other difficulties in researching the effects of cannabis. This Research Report is intended as a useful summary of what the most up-to-date science has to say about marijuana and its effects on those who use it at any age. Nora D. Volkow, M.D. Director National Institute on Drug Abuse. See Also.
This effect may increase the chance of heart attack. Older people and those with heart problems may be at higher risk. Problems with child development during and after pregnancy. However, this study also found that women were about twice as likely to screen positive for marijuana use via a drug test than they state in self-reported measures.
Additionally, in one study of dispensaries, nonmedical personnel at marijuana dispensaries were recommending marijuana to pregnant women for nausea, but medical experts warn against it.
This concerns medical experts because marijuana use during pregnancy is linked to lower birth weight 10 and increased risk of both brain and behavioral problems in babies. If a pregnant woman uses marijuana, the drug may affect certain developing parts of the fetus's brain.
Children exposed to marijuana in the womb have an increased risk of problems with attention, 11 memory, and problem-solving compared to unexposed children. More research is needed. Read our Marijuana Research Report for more information about marijuana and pregnancy.
Intense Nausea and Vomiting. Regular, long-term marijuana use can lead to some people to develop Cannabinoid Hyperemesis Syndrome.The use of cannabis for therapeutic purposes is also rarely associated with significant adverse side effects. A prominent review of clinical trial data "did not find a higher incidence rate of serious adverse events associated with medical cannabinoid use" compared to non-using controls over a .
Research has shown that marijuana’s negative effects on attention, memory, and learning can last for days or weeks after the acute effects of the drug wear off, depending on the person’s history with the drug.
53 Consequently, someone who smokes marijuana daily may be functioning at a reduced intellectual level most or all of the time.. Considerable evidence suggests that students who. Marijuana use may affect people's heart health, mental health and likelihood of using of other drugs, according to a new review of 20 years of marijuana research.
History and Effects of Marijuana Essay Marijuana, Ecstasy, drugs, history,] Research Papers words (4 pages) Essay about History of Marijuana - History of Marijuana Marijuana has been used both recreationally and medicinally for centuries.
There are numerous accounts of its medicinal qualities in multiple historical artifacts. History and Effects of Marijuana Essay - Marijuana is the common name for the hemp plant Cannabis sativa. Hemp grows in tropical and in warm temperate climates.
Jan 12, · Marijuana's Health Effects Scrutinized By Top Scientists: Shots - Health News The National Academies of Sciences, Engineering and Medicine sorted through 10, studies to determine the good and bad health effects of marijuana. Tight drug restrictions impede research, they say.