Recreational marijuana sales begin in California
Recreational marijuana sales begin in California
Dozens of retailers in California have been licensed to begin selling recreational marijuana on New Year’s Day. Emily Dufton, author of “Grass Roots: The Rise and Fall and Rise of Marijuana in America,” joined CBSN to discuss whether we’ll see other states follow suit.
psychosis
POSTED MARCH 07, 2011, 11:03 AM , UPDATED NOVEMBER 30, 2011, 2:28 PM

Ann MacDonald
Contributor, Harvard Health
Teenagers and young adults who use marijuana may be messing with their heads in ways they don’t intend.
Evidence is mounting that regular marijuana use increases the chance that a teenager will develop psychosis, a pattern of unusual thoughts or perceptions, such as believing the television is transmitting secret messages. It also increases the risk of developing schizophrenia, a disabling brain disorder that not only causes psychosis, but also problems concentrating and loss of emotional expression.
In one recent study that followed nearly 2,000 teenagers as they became young adults, young people who smoked marijuana at least five times were twice as likely to have developed psychosis over the next 10 years as those who didn’t smoke pot.
Another new paper concluded that early marijuana use could actually hasten the onset of psychosis by three years. Those most at risk are youths who already have a mother, father, or sibling with schizophrenia or some other psychotic disorder.
Young people with a parent or sibling affected by psychosis have a roughly one in 10 chance of developing the condition themselves—even if they never smoke pot. Regular marijuana use, however, doubles their risk—to a one in five chance of becoming psychotic.
In comparison, youths in families unaffected by psychosis have a 7 in 1,000 chance of developing it. If they smoke pot regularly, the risk doubles, to 14 in 1,000.
For years, now, experts have been sounding the alarm about a possible link between marijuana use and psychosis. One of the best-known studies followed nearly 50,000 young Swedish soldiers for 15 years. Those who had smoked marijuana at least once were more than twice as likely to develop schizophrenia as those who had never smoked pot. The heaviest users (who said they used marijuana more than 50 times) were six times as likely to develop schizophrenia as the nonsmokers.
So far, this research shows only an association between smoking pot and developing psychosis or schizophrenia later on. That’s not the same thing as saying that marijuana causes psychosis.
This is how research works. Years ago, scientists first noted an association between cigarette smoking and lung cancer. Only later were they able to figure out exactly how cigarette smoke damaged the lungs and other parts of the body, causing cancer and other diseases.
The research on marijuana and the brain is at a much earlier stage. We do know that THC, one of the active compounds in marijuana, stimulates the brain and triggers other chemical reactions that contribute to the drug’s psychological and physical effects.
But it’s not clear how marijuana use might lead to psychosis. One theory is that marijuana may interfere with normal brain development during the teenage years and young adulthood.
The teenage brain is still a work in progress. Between the teen years and the mid-20s, areas of the brain responsible for judgment and problem solving are still making connections with the emotional centers of the brain. Smoking marijuana may derail this process and so increase a young person’s vulnerability to psychotic thinking. (You can read more about how the adolescent brain develops in this article from the Harvard Mental Health Letter.)
While the research on marijuana and the mind has not yet connected all the dots, these new studies provide one more reason to caution young people against using marijuana—especially if they have a family member affected by schizophrenia or some other psychotic disorder. Although it may be a tough concept to explain to a teenager, the reward of a short-time high isn’t worth the long-term risk of psychosis or a disabling disorder like schizophrenia.
Since the recent focus on legal pot law enforcement has found a new source of revenue. Any detectable amount found in your blood, for up to two weeks, is reason to be charged with a DUI. Watch what you ask for.
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concentrated smoke like weed. it does not allow the lungs to heal. vaping dabbing and even regular ital smoking destroys ur lungs. only recently did folks start doing this all day long everyday. years from now like sunny delight the drink in England results will show what im saying.
https://en.wikipedia.org/wiki/SunnyD
In December 1999, according to a report by BBC News, the negative publicity escalated when a Sunny Delight television commercial showing a snowman turning orange was released, at about the same time as reports of a four year old girl who experienced her skin turning orange – due to the product’s use of beta-Carotene for color – after drinking an estimated 1.5 litres of Sunny Delight a day.
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Recreational weed in Nevada caused a $50.00 per oz increase. That sucks for patients.
Good for cali!!!,,,,
So now watch big biz come in ruin everything
California best country in the world…. frm Malaysia 🇲🇾
MARIJUANA IS GOOD FOR THOSE WITH A LIMITED MIND AND ALMOST NO IMAGINATION, AND THEY FEEL SOMETHING BUT IF YOU HAVE A VERY EXCITABLE MIND ANYWAY THEN YOU DONT NEED TO IMPAIR YOUR MIND WITH DOPE
Ohio is out of the loop police state!!!!,,,, $$$ jobs medicine prescription drug owned 1% mind control state I’m ashamed to be trapped here!!!,,,, #nightmare state
It’s legal at a state level however, Not at a federal level. Capitol punishment still applies for possession of marijuana in California. In some states here in the USA ,inmates found guilty and convicted of marijuana possession are giving a choice of how they would like to face the death penalty. Usually their choices are , Firing squad , hanging, Gas chamber , electrocution or lethal injection. To me the penalty is too high so for being caught with a joint or any amount of marijuana. Thats why i don’t mess with the stuff. I rather just be legal and just drink coffee all day or just go to my doctor and have him prescribe prozac. California executed 118 people last year in 2017 for possession of a joint or any amount of marijuana and that number is expected to rise by 18% by the end this year 2018.
All the alcoholics, and tobacco users will comment negatively on Marijuana…Look at yourself in the mirror before you do!
Your children see you smoke those cigarettes, and have those drinks before bed. Your children, family, and the public suffer from the secondhand smoke just being in your vecinity.
Worst of all, EVERYONE suffers from alcohol. Drunks have killed countless innocent families and people through out history, yet alcohol is still legal…
Please clean up your addictions and the deaths caused by them before commenting about a harmless, natural growing medicine that has helped mankind for generations <3.
"Limit the THC in edibles to prevent getting too high" lmao
Good bye cali. You have sealed ur fate. Dont forget to buckle up
Rec weed has been legal in Michigan almost 1yr but is still u purchasable at dispensaries I think they don’t want to put street dealers out of a job. With that said thinking state is way behind the times
i have been having side effects from drugs like invega risperdol haldol zyprexa that doctors have abused me with and other drugs that cause involuntary movements that i have used cannabis to cure and it works so i want a medical cannabis to cure side effects from long term drug abuse of artificial drugs for years will take years to fix by smoking cannabis….
Money money money.
some stores suck just a heads up the cool ones have more art one the walls , the doctor look is lame and the bud cost way to much even jar you get is taxed
and edibles need to stay strong lame to many rules can i just smoke
They hate everyone who disagrees $$$?,,,, #prison state
We have to fight $$$,,,,
So when are we gonna free all the people in prison on cannabis charges
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Those guys cutting the ribbon used to be anti recreational. They favoured medicinal because they feared a saturated market.
D.o.j side ways I bet it’s all about money
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¿Los EEUU no son el ejemplo del mundo? Entonces, gran parte de los estados americanos están legalizando la marihuana, porque ellos entendieron que la proibición sólo genera gasto al estado, ellos tuvieron el ejemplo de la ley seca, querían proibir la populación de beber alcohol y empezó las mafias con el contrabando, hoy son los carteles que estás a contrabandear drogas y armas. Hoy la guerra contra las drogas es el mayor error.
Do you still need a cannabis card/certificate
It’s 2018 and people still believe that weed is bad for you and should be illegal?
thank you America
It sure doesn’t feel like 2018 here in Louisiana…
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1:25 how exactly will putting less THC in edibles prevent more kids from eating them?? As far as I know, a normal kids snack doesn’t have any THC, therefore putting LESS of it would only make the edible MORE kid-friendly?? Its not like a kid is gonna read the label and say "Wow there’s a 30% THC content as apposed to 25%. I’m definately gonna go ahead and stick with the less THC edible"
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When Texas legalizes weed it will be the best state on the entire planet
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That chuckle at the end though…
Yea let’s pay 200 for a gram
I am so confused, i could have swore it was already legal there.
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Living on the east coast feels Like being hit on the head with a baseball… consecutively…. at the World Series.
Wait until the trailer park boys come