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A large national study analyzing emergency department visits and hospitalizations related to alcohol or cannabis use across the U.S. has found diverging age patterns: Among people who presented to the hospital for a substance-related problem, cannabis was involved in the majority of visits by adolescents and young adults, while alcohol predominated among older adults.
Led by researchers at Washington University School of Medicine in St. Louis, the study appears Nov. 4 in The American Journal of Psychiatry.
Better awareness of changing patterns of harm from these substances could help clarify the risks involved in using them, according to the investigators, led by Kevin Y. Xu, M.D., an assistant professor of psychiatry at WashU Medicine.
For example, the risks of cannabis use are often oversimplified and underestimated in popular media, according to Xu, especially considering the increasing potency of cannabis products readily available for purchase. The new study could help doctors provide better, more nuanced and individualized information to their patients and help them make more informed decisions around the use of alcohol and cannabis.
"In general, we have seen that cannabis use is trending up and alcohol use is trending down; but until now, we haven't had high-quality data tracking what kind of use is causing immediate harm—emergency room visits and hospitalizations," Xu said.
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