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Dude!
One time I was partying on the back patio with some heavy drug users who were telling rehab stories. One guy (a model who later died of a heroin overdose in New York) said that when he was in rehab they were in a circle talking about their drug problems and why then realized they needed rehab. One guy in his late 30's said "I'm here for weed" and everybody cracked up. "Weed?! How the fuck can you have a weed problem?"
He said "Well, when I was about 20 I was sitting on my bed, smoking a joint, and staring at the fish in my aquarium. Then I realized I was 30 something, still sitting on my bed, smoking a joint, and staring at the fish in my aquarium."
Marijuana users 'have abnormally low blood flow in every part of the brain - including Alzheimer's danger zones'
Marijuana users have abnormally low blood flow in virtually every part of the brain, new scans reveal.
Sophisticated imaging of 1,000 cannabis users' brains found all of them had widespread restrictions or build-ups of blood flow.
Many had abnormal blood levels in areas affected by Alzheimer's disease, such as the hippocampus.
The findings, published in the latest Journal of Alzheimer's Disease, are an ominous warning as the United States rapidly embraces recreational and medical marijuana legalization.
It comes just weeks after the White House's surgeon general, Dr Vivek Gupta, warned legalization is moving faster than research.
The researchers at Amen Clinics analyzed data from a broad database including 26,268 patients across the US between 1995 and 2015.
The patients - from California, Washington, Virginia, Georgia and New York - all had complex treatment-resistant issues, and all underwent single photon emission computed tomography (SPECT) - a sophisticated imaging study that evaluates blood flow and activity patterns while undergoing concentration tests.
One thousand of the patients were marijuana users.
Comparing those patients' brain scans with 100 healthy controls, the researchers saw a stark difference in blood flow levels.
Every marijuana user had significantly lower blood flow in the right hippocampus compared to the controls.
Marijuana use is thought to interfere with memory formation by inhibiting activity in this part of the brain.
- Researchers studied brain scans of 1,000 US marijuana users
- They found cannabis users all had low blood flow in the hippocampus
- The users also had significant restricted blood flow all over the brain
- Hippocampus is key for memories, and is a ground zero for Alzheimer's
Marijuana users have abnormally low blood flow in virtually every part of the brain, new scans reveal.
Sophisticated imaging of 1,000 cannabis users' brains found all of them had widespread restrictions or build-ups of blood flow.
Many had abnormal blood levels in areas affected by Alzheimer's disease, such as the hippocampus.
The findings, published in the latest Journal of Alzheimer's Disease, are an ominous warning as the United States rapidly embraces recreational and medical marijuana legalization.
It comes just weeks after the White House's surgeon general, Dr Vivek Gupta, warned legalization is moving faster than research.
The researchers at Amen Clinics analyzed data from a broad database including 26,268 patients across the US between 1995 and 2015.
The patients - from California, Washington, Virginia, Georgia and New York - all had complex treatment-resistant issues, and all underwent single photon emission computed tomography (SPECT) - a sophisticated imaging study that evaluates blood flow and activity patterns while undergoing concentration tests.
One thousand of the patients were marijuana users.
Comparing those patients' brain scans with 100 healthy controls, the researchers saw a stark difference in blood flow levels.
Every marijuana user had significantly lower blood flow in the right hippocampus compared to the controls.
Marijuana use is thought to interfere with memory formation by inhibiting activity in this part of the brain.
Dude!
One time I was partying on the back patio with some heavy drug users who were telling rehab stories. One guy (a model who later died of a heroin overdose in New York) said that when he was in rehab they were in a circle talking about their drug problems and why then realized they needed rehab. One guy in his late 30's said "I'm here for weed" and everybody cracked up. "Weed?! How the fuck can you have a weed problem?"
He said "Well, when I was about 20 I was sitting on my bed, smoking a joint, and staring at the fish in my aquarium. Then I realized I was 30 something, still sitting on my bed, smoking a joint, and staring at the fish in my aquarium."
