New Study by Yale University Raises Concerns About E-Cigarettes

News by 2FIRSTS.ai
Aug.13.2024
New Study by Yale University Raises Concerns About E-Cigarettes
Yale study reveals some e-cigarettes may contain potent nicotine-like chemicals, raising health concerns beyond FDA regulation.

According to a report by Newsweek on August 12, a previous study by Yale University found that some e-cigarettes may contain chemical compounds similar to nicotine that could have unknown effects on health.


These nicotine alternatives interact with receptors in the brain, without being subject to FDA restrictions and regulations. As a result, these products are able to be marketed with flavors that appeal to young people and avoid tobacco taxes.


An FDA spokesperson stated that these new chemicals may be more potent than nicotine and could potentially affect the brain development, learning abilities, and memory of adolescents.


FDA Public Affairs Specialist Jim McKinney told Newsweek that...


The FDA is addressing this issue from the perspective of the entire agency and will continue to utilize all resources within its authority to protect the public, especially American adolescents, from potentially harmful addictive products.


McKinney points out that, although more research is needed, some emerging data suggests that these nicotine analogs may be more potent than nicotine itself, which is already highly addictive, altering adolescent brain development and producing long-term effects.


According to research, nicotine analogs are chemical substances that are structurally very similar to nicotine and therefore target the same receptors in the brain. Examples include 6-methyl nicotine and nicotineamide. A study in rodents suggests that 6-methyl nicotine may be more toxic than nicotine. Furthermore, because these compounds are not subject to the same strict regulations as traditional nicotine, the ingredients listed on labels may not always match the actual ingredients in the products.


Dr. Hanno Erythropel, a scientist at the Yale School of Medicine, stated in a press release,


In conclusion, the company is actually trying to evade regulation by introducing new products containing nicotine analogues with unknown health and addiction risks.


In a study published in the journal "JAMA Network," the researcher and their colleagues analyzed two e-cigarette and e-liquid products on the market. The first product, Spree Bar, claimed to contain 5% of 6-methyl nicotine (50 milligrams/gram), while the second product, Nic-Safe, was tested at four concentrations—0, 12, 24, and 36 milligrams/milliliter.


The research results show that both products do not contain the ingredients as specified on their labels. Spree Bar actually contains 90% less 6-methyl nicotine than advertised, while Nic-Safe contains a low concentration of 6-methyl nicotine without it being clearly marked on the label (excluding tested nicotine-free products).


FDA spokesperson Mackinney said that


In general, the FDA does not comment on specific studies, but instead uses them as part of the evidence to further understand specific issues and help achieve its mission of protecting public health. Regarding nicotine mimetics, the FDA is aware that some companies are reported to be producing products that may contain compounds with chemical structures or properties different from nicotine.


We welcome news tips, article submissions, interview requests, or comments on this piece.

Please contact us at info@2firsts.com, or reach out to Alan Zhao, CEO of 2Firsts, on LinkedIn


Notice

1.  This article is intended solely for professional research purposes related to industry, technology, and policy. Any references to brands or products are made purely for objective description and do not constitute any form of endorsement, recommendation, or promotion by 2Firsts.

2.  The use of nicotine-containing products — including, but not limited to, cigarettes, e-cigarettes, nicotine pouchand heated tobacco products — carries significant health risks. Users are responsible for complying with all applicable laws and regulations in their respective jurisdictions.

3.  This article is not intended to serve as the basis for any investment decisions or financial advice. 2Firsts assumes no direct or indirect liability for any inaccuracies or errors in the content.

4.  Access to this article is strictly prohibited for individuals below the legal age in their jurisdiction.

 

Copyright

 

This article is either an original work created by 2Firsts or a reproduction from third-party sources with proper attribution. All copyrights and usage rights belong to 2Firsts or the original content provider. Unauthorized reproduction, distribution, or any other form of unauthorized use by any individual or organization is strictly prohibited. Violators will be held legally accountable.

For copyright-related inquiries, please contact: info@2firsts.com

 

AI Assistance Disclaimer

 

This article may have been enhanced using AI tools to improve translation and editorial efficiency. However, due to technical limitations, inaccuracies may occur. Readers are encouraged to refer to the cited sources for the most accurate information.

We welcome any corrections or feedback. Please contact us at: info@2firsts.com

AHA Journal Study: WS-23 Triples Premature Heartbeats, Raising Concerns Over Vape Cooling Agents
AHA Journal Study: WS-23 Triples Premature Heartbeats, Raising Concerns Over Vape Cooling Agents
A University of Louisville research team published a study in an American Heart Association journal suggesting that synthetic cooling agents used in e-cigarettes, including WS-3 and WS-23, may disrupt cardiac electrical activity and increase arrhythmia risk. In animal experiments, WS-23 tripled premature heartbeats.
Jun.16
 Arizona Rules Extend Across Alternative Nicotine Supply Chain, With Licensing From 2028
Arizona Rules Extend Across Alternative Nicotine Supply Chain, With Licensing From 2028
Arizona Governor Katie Hobbs has signed HB 4001, bringing alternative nicotine products under a new state regulatory framework that will require maker and distributor licensing from 2028 and ban packaging designs that could appeal to minors.
Regulations
Jun.23
France Vape Market 2026: Use Reaches 7.9% Amid Tax, Regulatory and Scientific Debate
France Vape Market 2026: Use Reaches 7.9% Amid Tax, Regulatory and Scientific Debate
France remains one of Europe’s active vape markets in 2026, with adult vaping prevalence rising to 7.9%; at the same time, e-liquid taxation, public-space restrictions, advertising compliance and health-risk debate are pushing the industry into a critical policy period.
Jun.23
Australia Quantifies Black Market for First Time, Illicit Nicotine Products Account for About 80% of Consumption
Australia Quantifies Black Market for First Time, Illicit Nicotine Products Account for About 80% of Consumption
The Australian Bureau of Statistics (ABS) has released its first estimate of the illicit nicotine market, finding that about 80% of cigarettes, vapes and other nicotine products consumed in 2025 came from illegal sources, reigniting debate over tobacco taxation and enforcement policies.
Jun.03
2Firsts Hosts U.S. Compliance Briefing on Building PMTA Support Capabilities Across the Nicotine Supply Chain
2Firsts Hosts U.S. Compliance Briefing on Building PMTA Support Capabilities Across the Nicotine Supply Chain
2Firsts held a U.S. compliance briefing in Shenzhen to help vaping, heated tobacco and nicotine pouch supply chain companies strengthen PMTA support capabilities. The event focused on supplier documentation, quality systems, traceability, TPMF/TPMP pathways, age verification and customer audit readiness as U.S. compliance expectations increasingly extend deeper into the nicotine supply chain.
Events
Jun.12
Product | IVG Pro 15K Enters European Retail Channels, Expanding High-Capacity Pod System Segment
Product | IVG Pro 15K Enters European Retail Channels, Expanding High-Capacity Pod System Segment
UK vape brand IVG has introduced the IVG Pro 15K, a high-capacity pod system combining a 2ml prefilled pod with a 10ml refill container to deliver up to 15,000 puffs. Unlike conventional high-puff disposable vapes, the IVG Pro 15K adopts a reusable device structure, reflecting a broader shift in the European vape market toward longer-use-cycle products and reusable hardware ecosystems.
Jul.14