Research into the connection: cannabis use can protect against cognitive decline, according to research from Upstate

A groundbreaking study conducted by Upstate Medical University provides compelling evidence that recreational cannabis could play a role in reducing the risk of cognitive decline. This finding challenges long-standing beliefs and calls for more detailed long-term research.

New insights into cannabis and cognitive health

Researchers from Upstate Medical University, including Zhi Chen, a Master of Public Health student, and Professor Roger Wong, have revealed a significant link between recreational cannabis use and a reduced risk of subjective cognitive decline (SCD) in older adults. Analyzing data from the CDC’s 2021 Behavioral Risk Factor Surveillance System, which included 4,744 participants aged 45 and older, the study found a striking 96 percent decrease in the risk of sudden cardiac disease among non-medical cannabis users compared to those who do not use cannabis.

Contrasting views and the need for a comprehensive analysis

The results are in stark contrast to previous studies that linked cannabis use to increased cognitive decline. “The findings suggest a potential protective effect of cannabis on cognition, which is contrary to previous studies,” Wong explains. He emphasized the preliminary nature of these results and the critical need for longitudinal studies to better understand the long-term impact.

Study design and methodological considerations

The study uniquely focused on several dimensions of cannabis use, including reasons for use (medical vs. non-medical), frequency of consumption, and methods (smoking, vaping, eating, or dabbing). This comprehensive approach provides a more nuanced understanding of how different factors contribute to cognitive health outcomes.

Surprising lack of impact by consumption method and frequency

Interestingly, neither frequency of cannabis use nor method of consumption showed a significant correlation with SCD, which differs from findings in younger demographic groups where these factors negatively influenced cognitive outcomes. “This could indicate that age may be a mitigating factor in how cannabis affects cognitive health,” Wong noted.

Implications and future directions

The insights from the research are critical, especially as the debate over the legalization of cannabis continues in various jurisdictions. While the study points to potential cognitive health benefits associated with non-medical cannabis use, the authors acknowledge limitations, including possible biases from state-specific cannabis regulations.

Conclusion

Overall, this research contributes significantly to the ongoing discussion about cannabis and its complex role in public health, especially in relation to cognitive decline. As Wong summarizes, “While we observe some protective benefits, it is essential to approach these findings with caution and conduct further research to confirm these early observations.”

Reference: “Association between Cannabis Use and Subjective Cognitive Decline: Findings from the Behavioral Risk Factor Surveillance System (BRFSS)” by Zhi Chen and Roger Wong, February 23, 2024, Current Alzheimer’s Research. DOI: 10.2174/0115672050301726240219050051

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