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Link Between Cannabis and Anxiety, Depression Has ‘Strengthened Over Time’: New Study
New York Post ^ | March 1, 2026 | Rachel Sacks

Posted on 03/02/2026 11:28:52 AM PST by nickcarraway

But a new study has found a growing connection between cannabis use and detrimental effects on mental health. Smoking weed has previously been found to have an impact on the brain by altering dopamine activity that closely resembles patterns observed in psychosis.

Now, a study led by McMaster University and published in The Canadian Journal of Psychiatry has shown that increasing cannabis use and worsening mental health symptoms are appearing together more and more often.

“We see that Canadians who use cannabis tend to be more likely to meet criteria for anxiety and depressive disorders, and more likely to report suicidality,” said Jillian Halladay, an assistant professor in the School of Nursing at McMaster. “We also see that this co-occurrence has strengthened over time.”

(Excerpt) Read more at nypost.com ...


TOPICS: Business/Economy; Health/Medicine; Science
KEYWORDS: anxiety; cannabis; depression; marijuana; pot; smellslikefreedom

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To: nickcarraway

Sorry nick - I guess I forgot the sarcasm tag.

Won’t happen again, I promise.


21 posted on 03/02/2026 12:50:10 PM PST by 1FreeAmerican
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To: metmom
I noticed that decades ago when I watched some bright, ambitious, attractive friends of mine drop out of college and turn into pot heads.

This is from someone who has never been influenced by peer pressure and resisted the use of both. I consider myself an impartial observer. I do not object to the use of either substance on moral grounds.

I am from Western Washington, many of my pot head friends have already died, many of the rest have been afflicted with mental issues. Some have been OK, but by the time we are in our 60s it becomes more and more apparent which lifestyle choices had negative impact. Obviously, boozing has been a problem for some, but I firmly believe based on those that I have been around for many decades that pot use has been worse.

22 posted on 03/02/2026 12:50:31 PM PST by fireman15
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To: LeonardFMason

Shortly after marijuana was legalized in California, there was a terrible care accident, where four young people died. The media was obsessed with it. But the second the toxicology came back and they were on Marijuana, it was on page 53, then never mentioned again. Kind of like the D.C. sniper.


23 posted on 03/02/2026 12:50:36 PM PST by nickcarraway
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To: Seruzawa

Bingo


24 posted on 03/02/2026 12:51:03 PM PST by nickcarraway
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To: Augie

We all would.


25 posted on 03/02/2026 12:51:07 PM PST by No name given ( Anonymous is who you’ll know me as )
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To: Seruzawa
Potheads become dope evangelists all too often.

That is a very valid observation...

26 posted on 03/02/2026 12:52:27 PM PST by fireman15
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To: Seruzawa

No, the anti-pot heads are the worst. They blame every ill of society on it. #1 lawyers trying to get clients off will use the he was high on pot defense whether applicable or not. #2 people hate the smell of it in their neighborhood. Can’t blame them there. #3 grant seekers wanting money blame it to “study it” for more money of course. #4 ignore the evidence it helps PTSD vets or people with glaucoma. #5 residual effects of Reefer Madness, the movie that was a parody but was taken as gospel.


27 posted on 03/02/2026 12:55:31 PM PST by BipolarBob (Call my personal secretary, Jennie, at 867-5309.)
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To: 1FreeAmerican

Are you high? Memory loss js one of the symptoms.


28 posted on 03/02/2026 12:57:01 PM PST by BipolarBob (Call my personal secretary, Jennie, at 867-5309.)
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To: ClearCase_guy

I blame tik tok and the reduction to everything to 20 second clips.


29 posted on 03/02/2026 12:57:24 PM PST by Organic Panic ('Was I molested. I think so' - Ashley Biden in response to her father joining her in the shower)
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To: nickcarraway

Liberals are always depressed and anxious.


30 posted on 03/02/2026 12:58:39 PM PST by ifinnegan (Democrats kill babies and harvest their organs to sell)
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To: BipolarBob
I can't remember, but typo's are definitely a symptom.
31 posted on 03/02/2026 1:00:21 PM PST by 1FreeAmerican
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To: 1FreeAmerican

MY keyboard has Tourettes and types whatever it pleases.


32 posted on 03/02/2026 1:03:13 PM PST by BipolarBob (Call my personal secretary, Jennie, at 867-5309.)
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To: BipolarBob

LOL!


33 posted on 03/02/2026 1:04:39 PM PST by 1FreeAmerican
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To: nickcarraway

Is the cannabis use causing the depression or is the user’s depression leading to the cannabis use? Causation or correlation?


34 posted on 03/02/2026 1:05:25 PM PST by IWONDR ( )
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To: nickcarraway

““We see that Canadians who use cannabis tend to be more likely to meet criteria for anxiety and depressive disorders, and more likely to report suicidality,”
****************************
Correlation is not causation. Many people with mental disorders seek out these drugs to self medicate but the establishment keeps suggesting the drugs are the cause of those mental disorders which is bs.


35 posted on 03/02/2026 1:07:51 PM PST by jimwatx
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To: nickcarraway

THC has increased more than ten times in pot over the past couple of decades. Pot is now a strong hallucinogenic drug. There are going to be psychological side effects.


36 posted on 03/02/2026 1:16:39 PM PST by Opinionated Blowhard (When the people find that they can vote themselves money, that will herald the end of the republic.)
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To: nickcarraway

“We see that Canadians who use cannabis tend to be more likely to meet criteria for anxiety and depressive disorders, and more likely to report suicidality,” said Jillian Halladay, an assistant professor in the School of Nursing at McMaster. Just switch to LSD professor...non-habit forming.


37 posted on 03/02/2026 1:42:59 PM PST by kawhill (Dywedwch Wrthym because + Add translation Welsh-English dictionary 'Tell Us')
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To: AZJeep
"And smoking dope causes cancer and all other health problems associated with cigarettes."


38 posted on 03/02/2026 2:43:34 PM PST by clearcarbon (Fraudulent elections have consequences.)
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To: nickcarraway

***to meet criteria for anxiety and depressive disorders,***

We had a man hauling ash for us from the power Plant decades ago. One day he was arrested for killing another driver over a drug deal. When he was arrested his trailer house was FILTHY with roaches and rotted food everywhere. A photo showed him with his hair clear down to his belt.


39 posted on 03/02/2026 2:49:13 PM PST by Ruy Dias de Bivar (REOPEN THE MENTAL HOSPITALS CLOSED IN THE 1970s!)
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To: LeonardFMason

“The same exact thing can be said of ALCOHOL use. ALCOHOL is poisonous to the body.”


Alcohol is a source of energy and is safe for hydratation in times and places where water born diseases are ubiquitous. Entire civilisations have been built with routine or even ritual alcohol consumption. No such thing with cannabis or other psychoactive substances.
Comparing alcohol to cannabis is nonsensical. And I say it as an impartial non user of both.


40 posted on 03/02/2026 3:17:56 PM PST by miniTAX
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