HMN 2025: How E-cigarette and hashish social media posts pose dangers for teenagers,

Teens who see social media posts exhibiting hashish or e-cigarettes, together with from pals and influencers, usually tend to later begin utilizing these substances or to report utilizing them prior to now month, based on surveys achieved by researchers on the Keck School of Medicine of USC.

Viewing such posts was linked to hashish use, in addition to twin use of hashish and e-cigarettes (vapes). Dual use refers to youth who’ve used each hashish and e-cigarettes sooner or later. The outcomes are revealed in JAMA Network Open.

The findings come amid a decline in youth e-cigarette use, reported in 2024 by the U.S. Food and Drug Administration (FDA) and U.S. Centers for Disease Control and Prevention. However, teen vaping, hashish use and the twin use of e-cigarettes and hashish stay an issue.

“While the speed of e-cigarette use is declining, our study exhibits that publicity to e-cigarette content material on social media nonetheless contributes to the danger of utilizing e-cigarettes with different substances, like hashish,” mentioned Julia Vassey, MPH, a well being habits researcher within the Department of Population and Public Health Sciences on the Keck School of Medicine.

The study additionally helps make clear how sure sorts of social media posts relate to teen substance use. Researchers surveyed greater than 7,600 teenagers throughout two research: a longitudinal study to know whether or not viewing hashish or e-cigarette posts on TikTok, Instagram and YouTube pertains to a teen’s later selection to start out utilizing both substance or each, and a second survey taking a look at whether or not an affiliation exists between the supply of the content material— pals, influencers, celebrities or manufacturers—and substance use.

“Answering these questions can assist federal regulators and social media platforms create pointers geared towards stopping youth substance use,” Vassey mentioned.

Links throughout substances

Data for the research got here from California highschool college students with a median age of 17, who accomplished questionnaires on classroom computer systems between 2021 and 2023. Researchers performed two surveys, one centered on teenagers who used hashish, e-cigarettes or each for the primary time; the opposite centered on use in the course of the past month.

In the primary survey, which included 4,232 college students, 22.9% reported regularly seeing e-cigarette posts on TikTok, Instagram or YouTube, that means they noticed no less than one submit per week. A smaller portion—12%—regularly noticed hashish posts.

One yr later, researchers adopted up with the scholars. Teens who had regularly seen hashish posts—however had by no means tried hashish or e-cigarettes—had been extra more likely to have began utilizing e-cigarettes, hashish or each.

Teens who had regularly seen e-cigarette posts on TikTok had been extra more likely to have began utilizing hashish or began twin use of each hashish and e-cigarettes. No such sample was discovered for Instagram or YouTube. The knowledge collected allowed researchers to take a look at platform-specific outcomes for e-cigarette posts, however not for hashish posts.

“This is per earlier analysis exhibiting that, of the three platforms, TikTok might be the strongest threat issue for substance use,” Vassey mentioned. That could also be as a result of TikTok’s algorithm pushes common content material broadly, together with posts that characteristic e-cigarettes, even to customers who do not comply with the accounts.

In the second survey, researchers requested 3,380 college students whether or not they noticed hashish or e-cigarette posts from manufacturers, pals, celebrities, or influencers with 10,000 to 100,000 followers. Teens who noticed e-cigarette or hashish posts from influencers had been extra doubtless than their friends to have used hashish prior to now month.

Those who noticed e-cigarette posts from pals had been extra more likely to have been twin customers of hashish and e-cigarettes prior to now month. Those who noticed hashish posts from pals had been extra more likely to have used hashish prior to now month or to have been twin customers of hashish and e-cigarettes.

The hyperlink between e-cigarette posts and hashish use is what researchers name a “cross-substance affiliation” and could also be defined by the same look of nicotine and hashish vaping gadgets, Vassey mentioned.

The dangers of influencer content material

Influencer posts deserve particular consideration as a result of they typically slip by loopholes in federal guidelines and platform pointers. For instance, the FDA can solely regulate content material when model partnerships are disclosed, however influencers—consciously or not—might skip disclosures in some posts.

Studies present that these seemingly unsponsored posts are seen as extra genuine, Vassey mentioned, making them significantly influential.

Most social media platforms already ban paid promotion of hashish and tobacco merchandise, together with e-cigarettes. Some researchers say these bans must be prolonged to cowl further influencer content material. Others need platforms to associate with regulators to discover a complete answer.

“So far, it is a grey space, and no one has supplied a transparent reply on how we must always act and when,” Vassey mentioned.

In future research, Vassey plans to additional discover hashish influencer advertising, together with whether or not adjustments to social media pointers influence what teenagers see and the way they reply.