The evolving landscape of cannabis legalization has brought forth a myriad of discussions and research, particularly focusing on its safety and effects on various age groups. A significant increase in cannabis use among older adults in the US, as noted in a study from the Journal of the American Medical Association, raises questions about its implications. This study observed a rise in past-year cannabis use from 2.4% to 4.2% among adults aged 65 and older between 2015 and 2018. Such data echoes broader trends and reports, suggesting a shifting perspective on marijuana use.
However, the debate over its safety and effects remains complex. For instance, long-term cannabis use has been linked to a decline in IQ and cognitive abilities, including learning and processing speed. These effects appear more pronounced with higher frequency of use, hinting at a possible causative relationship. This concern is particularly relevant for medical marijuana, which, despite being subject to stringent growth standards and often inducing less of a “high,” still warrants cautious consideration.
The impact of marijuana on developing brains, especially in unborn babies, has not been as extensively studied or publicized as other substances like alcohol. This gap in research and awareness contributes to the ongoing uncertainty surrounding marijuana’s safety profile. Similarly, the effects on memory are significant, with THC, marijuana’s primary psychoactive compound, impacting key brain regions involved in memory formation.
Even as societal attitudes shift towards greater acceptance and legalization of marijuana for both medical and recreational purposes, experts like neuroscientist Yasmin Hurd caution against assuming its safety. Recent studies indicate increasing cannabis use across various demographics, raising further questions about its long-term health impacts, particularly in relation to heart health and the similarities between marijuana and cigarette smoke in terms of toxins and carcinogens.
Given these varied and complex factors, it is crucial for individuals, particularly older adults, to approach marijuana use with an informed perspective and careful consideration. While legalization and reduced stigma have undoubtedly influenced its increasing use, the full spectrum of its effects remains a subject of ongoing research and debate.
Harvard Health
Harvard Gazette
Harvard Health
Children’s Environmental Health
Harvard Science in the News
Harvard Health
Harvard Health
Harvard Gazette
Columbia University Medical Center
Harvard Health