Cannabinology (MARIJUANA) Part 2 with Ziva Cooper and Caroline Melly
Ologies with Alie Ward Podcast Recap
Published:
Duration: 1 hr 33 min
Guests: Dr. Ziva Cooper, Dr. Caroline Melly, Dr. Kenan Hurd
Summary
This episode examines the complex landscape of cannabis, focusing on its health effects, societal implications, and scientific research. Key takeaways include the potential risks associated with cannabis use and the need for more comprehensive research to inform public policy.
What Happened
The episode begins with a historical tidbit about the term '420,' which originated as an inside joke among Marin County high school students in the 1970s, rather than a police code. Dr. Ziva Cooper and Dr. Caroline Melly discuss cannabis use disorder, a condition resulting from long-term frequent use of cannabis that is challenging to treat due to a lack of effective therapeutics.
Research findings are highlighted, showing increased risks of stroke and myocardial infarction linked to cannabis use. Dr. Kenan Hurd emphasizes that vaping cannabis may be as harmful as tobacco, potentially causing more severe lung damage due to particulates. Additionally, the legalization of marijuana raises concerns about long-term effects on the arterial system.
Public health implications of cannabis are explored, such as the finding that edibles lead to more emergency room visits for acute psychiatric symptoms compared to smoking. Studies from 2024 and 2025 highlight cannabis use's associations with adverse cardiovascular outcomes, including cardiovascular death and impaired arterial function.
The conversation also addresses the stigma surrounding cannabis, which can deter individuals from seeking help, especially in healthcare settings. Racism and xenophobia have historically influenced cannabis stigma and legal policies, as noted by Dr. Caroline Melly.
Mental health considerations are another focal point, with evidence linking cannabis use to increased risks of psychosis, anxiety, and depression, particularly in younger users and those with a family history of mental health disorders. The potential therapeutic effects of cannabidiol (CBD) are discussed, although most studies focus on males, indicating a gap in research for females.
Cannabis and its components might impact inflammation and offer protective effects against conditions like Alzheimer's disease, yet the relationship is complex and requires more research. The episode cites a 2025 study suggesting low-dose cannabis extract may be effective for Alzheimer's-related dementia.
Lastly, challenges in cannabis research are highlighted, including funding and regulatory hurdles. Dr. Ziva Cooper aims to generate evidence to guide policy and consumer knowledge, emphasizing the need for approval from multiple boards to conduct cannabis research in California.
Key Insights
- Cannabis use disorder is a significant concern due to the lack of effective treatments, highlighting the need for more research into therapeutic options.
- Vaping cannabis can be as harmful as tobacco, with particulates potentially causing severe lung damage, a condition known as EVALI.
- Studies reveal that cannabis use is associated with increased risks of cardiovascular events such as stroke and myocardial infarction, necessitating public health consideration.
- The stigma around cannabis, influenced by historical racism and xenophobia, can hinder individuals from seeking necessary medical assistance.