Currently 33 states allow it for medical use and 11 for recreational. HILL: We know a lot more about both the benefits and the risks of cannabis use, although I would say that the rate and scale of research has not kept pace with the interest. But our increased knowledge pales in comparison to the intense public interest, so one of the issues we often encounter is a growing divide between what the science says and what public perception is.
HILL: The myths have been disproven. Unfortunately, the loudest voices in the cannabis debate often are people who have political or financial skin in the game, and the two sides are entrenched. Pro-cannabis people will say that cannabis is the greatest medication ever, and harmless. They will go into a room of or high schoolers and relay the message that cannabis is as dangerous as fentanyl.
These camps seem to feel that even a single shred of evidence that runs counter to their narrative hurts them. So at the end of the day, a lot of what people hear about cannabis is either incomplete or flat-out wrong because both sides are promoting polar opposite views of cannabis. HILL: I think the greatest example is when you talk about the addictive nature of cannabis. And they continue because people are invested in trying to get people to vote one way or another on issues like medical cannabis or legalization of recreational cannabis.
That is a major problem. And that becomes a major barrier. I often compare cannabis to alcohol. But the difference is that we all recognize the dangers of alcohol. HILL: How are things misrepresented by anti-cannabis crusaders? They tend to ignore the idea that dose matters. When we talk about the harms of cannabis, young people using regularly can have cognitive problems, up to an eight-point loss of IQ over time. It can worsen depression.
It can worsen anxiety. But all of those consequences depend upon the dose. The data that shows those impacts look at young people who are using pretty much every day.
A psychotic illness is one where you have hallucinations seeing things that are not really there and delusions believing things that are not really true. Cannabis also increases the risk of a relapse in people who already have schizophrenia, and it can make psychotic symptoms worse.
If you drive while under the influence of cannabis, you're more likely to be involved in an accident. This is one reason why drug driving, like drink driving, is illegal. Cannabis use may affect fertility. Regular or heavy cannabis use has been linked to changes in the female menstrual cycle and lower sperm count, or lower sperm quality in men.
Using cannabis while pregnant may harm the unborn baby. Cannabis smoke contains many of the same harmful chemicals found in cigarette smoke.
Regularly smoking cannabis with tobacco increases the risk of a baby being born small or premature. Cannabis has not been linked to birth defects, but research suggests that using cannabis regularly during pregnancy could affect a baby's brain development as they get older.
Cannabis contains active ingredients called cannabinoids. This is used to relieve the pain of muscle spasms in multiple sclerosis. Another cannabinoid drug, called Nabilone, is sometimes used to relieve sickness in people having chemotherapy for cancer. Clinical trials are under way to test cannabis-based drugs for other conditions including cancer pain, the eye disease glaucoma , appetite loss in people with HIV or AIDS , and epilepsy in children.
Read the latest updates on cannabis, cannabinoids and cancer — the evidence so far on the Cancer Research UK website. Page last reviewed: 3 December Next review due: 3 December Cannabis: the facts - Healthy body Secondary navigation Body Bones Food for healthy bones Keep bones healthy over 65 Are you at risk of falling? Take a tolerance break and recalibrate your system.
If this becomes too difficult, it is possible you are among the 9 percent. Research is mixed on this question. According to this study, earlier research did not control for alcohol use. Does this mean daily consumption of cannabis is OK? The research does not say that. The data is not definitive on what longtime daily use does to cognitive development. Stuart Gitlow, a professor at the University of Florida, is an addiction specialist and an ardent opponent of the medical use of marijuana, saying it promotes a loss of attention, focus and concentration.
While the medical community continues to study the issue, one thing is clear: Young, developing minds should refrain from cannabis use. And daily consumption for an adolescent or teen is not advised. Similar to morning use of alcohol among alcohol-dependent individuals, morning use of marijuana may indicate dependence and increased cannabis-related impairment, according to a study in the journal Addiction and Research Theory.
So if this is one of your habits, now may be the time to wean yourself from it. There are potential negative outcomes, but not in everybody. While it is true that daily consumption will irritate your lungs and give some users a chronic hacking cough, research shows that smoking marijuana does not cause lung cancer. The Journal of the American Medical Association conducted the largest and longest study ever to consider the issue in According to Mark Pletcher, associate professor of epidemiology and biostatistics at the University of California, San Francisco, and the lead author of the study, marijuana use did not harm lung capacity.
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