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

GSTHR Estimates 200 Million People Use Non-Combustible Nicotine Products as 28 Countries Show Rising Use Alongside Falling Smoking Rates
GSTHR Estimates 200 Million People Use Non-Combustible Nicotine Products as 28 Countries Show Rising Use Alongside Falling Smoking Rates
The Global State of Tobacco Harm Reduction, a project operated by Knowledge·Action·Change, estimates that about 200 million people worldwide use non-combustible nicotine products including vapes, heated tobacco, nicotine pouches and snus. Its 2026 report says use of these products rose alongside declining smoking rates in 28 countries it analyzed. The data do not establish that all 200 million users have quit smoking, nor do they prove a direct causal relationship. GSTHR also says regulatory restrictions on the products continue to expand in many markets.
Sep.10
FDA Authorizes JUUL2, Cites Adult Switching Amid Efforts to Speed PMTA Reviews
FDA Authorizes JUUL2, Cites Adult Switching Amid Efforts to Speed PMTA Reviews
The FDA authorized the JUUL2 device and tobacco- and menthol-flavored pods on Aug. 28, bringing the number of authorized e-cigarette products to 48. The agency highlighted complete switching among adult smokers, with six-week switching rates reaching 28.4%–49.3% for the menthol pod. The decision comes as FDA works to speed PMTA reviews, reduce application backlogs and expand authorized e-cigarette and nicotine-pouch products while maintaining enforcement priorities for unauthorized products.
Regulations
Aug.29
Zhang Xiaotang Appointed Deputy Director of China’s Tobacco Regulator, Adding Another Finance-Background Official to Top Leadership
Zhang Xiaotang Appointed Deputy Director of China’s Tobacco Regulator, Adding Another Finance-Background Official to Top Leadership
China’s State Council has appointed Zhang Xiaotang as deputy director of the State Tobacco Monopoly Administration, with the regulator’s official website now listing him as a Party leadership group member and deputy director. Zhang previously led Hebei China Tobacco and earlier headed the STMA’s finance and audit department. His appointment follows the elevation earlier this year of former tax official Yao Laiying to head the STMA, adding another senior official with a strong fiscal or financial-management background to China Tobacco’s top leadership in 2026.
News
Sep.20
Smoke-Free Business Hits 42% of Q2 Net Revenue as PMI’s First TNFD Report Covers Single-Use Electronics, Critical Raw Materials and IQOS Repairs
Smoke-Free Business Hits 42% of Q2 Net Revenue as PMI’s First TNFD Report Covers Single-Use Electronics, Critical Raw Materials and IQOS Repairs
Philip Morris International has published its first report aligned with the Taskforce on Nature-related Financial Disclosures, bringing its electronics supply chain and the use and end-of-life stages of smoke-free devices and consumables into its nature-related assessment. PMI said its smoke-free business accounted for about 42% of total net revenues in the second quarter of 2026. The report says non-circular electronic products, particularly single-use items, can increase consumption of limited natural resources and also details an IQOS repair pilot. A 2040 circularity scenario tests assumptions including a 50% reduction in product waste-related costs, 10% raw-material savings and a 25% substitution rate for refurbished products versus new products.
Sep.23
Australian Coalition Unveils Illicit Tobacco Plan With 80% Excise Cut and Legal, Taxed Vapes and Nicotine Pouches
Australian Coalition Unveils Illicit Tobacco Plan With 80% Excise Cut and Legal, Taxed Vapes and Nicotine Pouches
Australia’s Coalition has unveiled a national illicit-tobacco policy that would cut tobacco excise by 80% and create legal, regulated and taxed adult markets for vaping products and nicotine pouches if it wins government. The plan proposes an excise of A$0.50 per millilitre of e-liquid and A$0.025 per milligram of nicotine in pouches, alongside A$200 million in additional enforcement and a A$60 million three-year public-awareness campaign. The Coalition says the package would narrow the price advantage of illicit products and undermine organised crime, while Labor and public-health groups warn that dramatically cheaper cigarettes could reverse long-term declines in smoking.
Sep.03
EU Tobacco Tax Reform Targets November Push as Sweden Holds Nicotine-Pouch Minimum at €20 per Kilogram
EU Tobacco Tax Reform Targets November Push as Sweden Holds Nicotine-Pouch Minimum at €20 per Kilogram
The Irish presidency of the Council of the European Union is using bilateral talks to push the bloc’s Tobacco Taxation Directive toward a political agreement in November. According to Law360, citing an EU official, Sweden is unwilling to accept a minimum excise threshold above €20 per kilogram for nicotine pouches. Council negotiations have already lowered the European Commission’s original proposal, but a May 2026 presidency compromise still set the minimum at 10% of the tax-inclusive retail price or €30 per kilogram in 2028-29, with higher levels later.
Market
Sep.17 by 2Firsts Perspectives