Adults who have visited the hospital due to cannabis consumption could have a greater risk of developing dementia.
A new study conducted by the Institute of Clinical Evaluation Sciences (CIE) found that people who had a visit to the emergency department to use cannabis had a 23% higher risk of dementia within five years.
Hospitalized people had a risk of dementia much greater than 72%.
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The study, published in Jama Neurology, analyzed Ontario health data, Canada, between 2008 and 2021, in more than six million people from 45 to 105 years.
Adults who have visited the hospital due to cannabis consumption could have a greater risk of developing dementia, the study revealed. (Istock)
The investigation found that 16,275 of these individuals were acute care due to the use of cannabis. Sixty percent of these individuals were men, according to a press release.
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The annual rates of acute incidents increased five times between 45 and 64 years, and 26.7 times in people over 65 years.
People who received acute attention due to the use of cannabis retained a high risk of dementia compared to the total number of people who received attention, excluding cases due to alcohol consumption.
“This does not mean that the use of cannabis causes dementia, but highlights a worrying association.”
The main author of the study Dr. Daniel Myran, scientist at ICES and assistant professor of Family Medicine at the University of Ottawa, commented on the findings of the study in an interview with Fox News Digital.
People who received acute attention due to the use of cannabis retained a high risk of dementia compared to the total number of people who received attention, excluding cases due to alcohol consumption. (Istock)
The risk of high dementia persisted even after other factors were considered, including pre -existing health conditions, the socioeconomic state and prior care of other substances or mental health conditions, according to the researcher.
“Due to the design of our study, it is important to keep in mind that this does not mean that the use of cannabis causes dementia, but highlights a worrying association,” he said.
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Myran mentioned his surprise in the “very large” increase with the time of people 45 years or older with an ER or hospitalization visit related to cannabis.
“It increased more than five times, from 353 in 2008 to 2,508 in 2021,” he said. “In adults 65 years of age or older, he went up 27 times.”
“These trends seem to be capturing important changes in the use of cannabis and possible adverse effects.”
Cannabis consumption does not come “without damage”, although it is legal in many places, according to the researcher. (Istock)
The number of older adults with an ER or hospitalization visit that later received a diagnosis of “also surprisingly high dementia,” he said, with 5% at five years and 19% at 10 years.
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A limitation for the study was that researchers lacked details on cannabis use patterns and other health behaviors, such as smoking.
“As a result, part of the risk observed in the risk is probably related to the differences in the behaviors between the groups that we could not account for,” he said.
The use of cannabis is associated with “short -term memory deterioration and long -term changes in brain structure,” according to ICES. (Istock)
“We also examine the risk of dementia for people whose use of cannabis led to an emergency or hospitalization visit: this is a small subset and of greater risk of all cannabis users and does not tell us about the potential risks of different cannabis use patterns,” he added.
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As the consumption of medical and recreational cannabis is now legal in many areas, Myran emphasized that this does not mean “without damage.”
“Like alcohol and other substances, cannabis use, especially the regular use of cannabis or the use of products with greater resistance, can have important risks,” he warned.
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“Our findings join a growing research body that suggests that regular cannabis use can have negative impacts on the health and memory of the brain.”
