CBD is a chemical compound from the Cannabis sativa plant, also known as marijuana. Researchers recently found CBD to improve blood flow. CBD ‘improves blood flow to the brain’ Cannabidiol (CBD) improves brain blood flow which could help improve memory, researchers have said. The team from the University of College London (UCL)
Study Shows CBD Helps the Mind by Improving Blood Flow
CBD , short for cannabidiol, is a chemical compound from the Cannabis sativa plant, also known as marijuana. CBD is a naturally occurring substance that’s used in products, such as oils, edibles, and lotions, to deliver a feeling of relaxation and calm. While there is some evidence that suggests that CBD may improve memory function, the precise mechanisms underlying the effects of CBD on memory were very unclear until a recent study conducted in London showed significant findings.
Researchers discover the link between CBD and cerebral blood flow
A group of researchers conducted a study that investigated how CBD influences cerebral blood flow (CBF) in regions involved in memory processing. The secondary aim was to determine if the effects of CBD on cerebral blood flow were associated with differences in working and episodic memory task performance.
In this small study, researchers from University College London recruited 15 randomized, healthy participants with no history of cannabis use. The participants were given 600 mg oral CBD on different occasions for a week and then 600 mg of a placebo. The doses came in identical capsules, so participants were unaware which one they were taking on which occasion.
Researchers measured blood flow to the hippocampus using an MRI brain scanning technique called arterial spin labeling , which measures blood oxygen level changes.
What are the findings of CBD and blood flow?
The results showed that the main non-psychoactive ingredient in marijuana, CBD, ‘significantly’ increased blood flow to the hippocampus , the area of the brain responsible for memories and learning. It also showed that there was an increase in blood flow to the part of the brain responsible for decision-making, also known as the orbitofrontal cortex.
“To our knowledge, this is the first study to find that CBD increases blood flow to key regions involved in memory processing, particularly the hippocampus,” says Dr. Michael Bloomfield, the leading author of the study and a professor of psychiatry at UCL.
The research does not currently conclude CBD as a memory-enhancing resource. However, the study does point to the potential for CBD to help treat neurological conditions related to abnormal or insufficient blood flow in specific regions of the brain. The team believes, “the findings could offer target therapies for those who suffer conditions that affect memory, such as Alzheimer’s disease and post-traumatic stress disorder.”
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CBD ‘improves blood flow to the brain’
Cannabidiol (CBD) improves brain blood flow which could help improve memory, researchers have said.
The team from the University of College London (UCL) say these findings could potentially contribute to better treatments for conditions like Alzheimer’s disease and post-traumatic stress disorder.
CBD is an active ingredient in cannabis-derived from the hemp plant and has previously been associated with treating pain, insomnia, and anxiety.
This trial discovered just one dose of the non-psychoactive ingredient found in marijuana can improve blood flow to the hippocampus, which is the part of the brain that is responsible for learning and memory.
Lead author Dr Michael Bloomfield, a professor of psychiatry at UCL, said: “To our knowledge, this is the first study to find that CBD increases blood flow to key regions involved in memory processing, particularly the hippocampus.
“This supports the view that CBD has region-specific blood flow effects in the human brain, which has previously been disputed.”
The study involved 15 young and healthy people who had never before used cannabis. Over the course of a week some of the participants were given 600 milligrams (mg) of oral cannabis, while the others took a placebo.
A week later each individual had their blood oxygen levels measured using an MRI brain scanning technique called arterial spin labelling.
Dr Bloomfield said: “Cannabidiol is one of the main constituents of cannabis and is gaining interest for its therapeutic potential.
“There is evidence that CBD may help reduce symptoms of psychosis and anxiety. There is some evidence to suggest that CBD may improve memory function.”
The findings have been published in the Journal of Psychopharmacology.
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