Heavy cannabis use may raise the risk of dementia by 72%.
The claim that heavy cannabis use could increase dementia risk by 72% likely stems from a study or media report linking chronic, high-dose cannabis consumption to cognitive decline. However, the relationship between cannabis use and dementia is complex and not yet fully understood. Here’s what current evidence suggests:
Key Considerations:
- Study Limitations
- If this figure comes from a specific study, it’s important to scrutinize its design (e.g., observational vs. controlled, sample size, duration). Many studies on cannabis and dementia rely on self-reported data or small cohorts, which can introduce bias.
- Correlation does not equal causation—other factors (e.g., alcohol use, mental health conditions, socioeconomic status) may contribute to both heavy cannabis use and dementia risk.
- THC and Cognitive Effects
- Heavy, long-term cannabis use (especially high-THC products) has been associated with memory deficits, reduced executive function, and lower hippocampal volume (a brain region critical for memory).
- Animal studies suggest THC may accelerate amyloid plaque formation (a hallmark of Alzheimer’s), but human data is inconclusive.
- Dose and Frequency Matter
- The 72% risk increase (if accurate) likely applies to heavy users (e.g., daily or near-daily use over years). Occasional or moderate use may not carry the same risk.
- Early, frequent use (e.g., adolescence) may pose greater risks due to the brain’s developmental stage.
- Conflicting Research
- Some studies find no significant link between cannabis and dementia after adjusting for confounders.
- A 2023 study in Preventive Medicine even suggested that low-THC/high-CBD cannabis might have neuroprotective properties, though this remains debated.
While heavy cannabis use might elevate dementia risk for some individuals, the 72% figure should be interpreted cautiously. More longitudinal, high-quality research is needed to clarify this relationship. If you’re concerned about cognitive health, discuss cannabis use patterns with a healthcare provider, especially if you have other risk factors (e.g., family history of dementia)
Reference:
https://pubmed.ncbi.nlm.nih.gov/40227745
https://www.medicalnewstoday.com/articles/heavy-cannabis-use-could-increase-dementia-risk-by-72
Medications that have been suggested by doctors worldwide are available on below link
https://mygenericpharmacy.com/category/disease/alzheimer-disease