Experts discover the amount of cannabis that will change your brain...
and it's far less than many might think READ MORE: Drug overdose deaths hit a record high with Gen X driving trend By Rebecca Whittaker For Mailonline Published: 18:30 EDT, 29 October 2024 | Updated: 18:30 EDT, 29 October 2024 e-mail View comments Using cannabis just once in your life could cause parts of your brain associated with learning, problem solving and daydreaming to deteriorate, a study suggests. Researchers from the University of Oxford compared the brain scans of people who had ever used cannabis and found it is associated with several changes in brain structure and function in later life. Cannabis use has increased worldwide especially in countries where legalisation has permitted its use for medical and recreational purposes.
But this has happened without a thorough understanding of its potential long term effects on the brain, the researchers of the new study say. The study, published in the journal BMJ Mental Health , drew on data on almost 16,000 Brits. Participants reported if they had ‘ever taken cannabis’, with response options then asking them how often with possible answers ranging from once or twice to more than 100 times.
All participants who responded ‘yes’, about 3,500 people, were categorised as lifetime cannabis users for the purposes of the study. The 'yes' group was further divided into by how often they used cannabis, with the low use defined as less than 10-times in .