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

Philip Morris International Announces IQOS and Devialet Collaboration at Milan Design Week 2026
Philip Morris International Announces IQOS and Devialet Collaboration at Milan Design Week 2026
Philip Morris International announced on April 20 that IQOS has partnered with French acoustic engineering company Devialet to launch “Soundsorial Design” at Milan Design Week 2026. The collaboration includes an immersive exhibition and a limited-edition product set named “Soundsorial.” The exhibition will run from April 20 to April 27 at Opificio 31 in Milan.
Apr.22 by 2FIRSTS.ai
Smoore International Q1 Results: Enterprise-Focused Business Up 48.6% Year-on-Year, Proprietary E-Vapor Brand Business Up 14.3%
Smoore International Q1 Results: Enterprise-Focused Business Up 48.6% Year-on-Year, Proprietary E-Vapor Brand Business Up 14.3%
Smoore International reported its Q1 financial results, with revenue for the period reaching RMB3.856 billion, up 41.7% year-on-year, and net profit (profit for the period) totaling RMB262.5 million, up 36.6% year-on-year. Revenue from its enterprise-focused business was RMB3.2674 billion, representing a 48.6% increase from RMB2.1989 billion in the same period last year. Revenue from its proprietary brand business was RMB588.6 million, up 12.6% from RMB522.6 million a year earlier.
Apr.10 by 2FIRSTS.ai
German Environment Minister Plans Bill to Ban Disposable E-Cigarettes This Year
German Environment Minister Plans Bill to Ban Disposable E-Cigarettes This Year
German Federal Environment Minister Carsten Schneider said he is preparing legislation to ban disposable e-cigarettes and will present a bill this year. Industry data estimated that legal e-cigarette sales in Germany rose by about one quarter in 2025 to €2.4 billion. Refillable devices are not expected to be affected by the ban.
May.09 by 2FIRSTS.ai
 Philip Morris Lowers Profit Outlook as Zyn Faces Competition and FDA Delays
Philip Morris Lowers Profit Outlook as Zyn Faces Competition and FDA Delays
According to Reuters, Philip Morris International (PMI) lowered its 2026 adjusted earnings-per-share forecast amid regulatory uncertainty around Zyn nicotine pouches, rising competition and shipment pressure in the U.S. market.
PMI
Jun.02
U.S. Senator Durbin Criticizes FDA’s First Flavored Vape Authorization, Says Trump Administration Conceded to Big Tobacco
U.S. Senator Durbin Criticizes FDA’s First Flavored Vape Authorization, Says Trump Administration Conceded to Big Tobacco
U.S. Senator Dick Durbin on May 13 criticized the Trump Administration’s Food and Drug Administration for approving the sale and marketing of fruit-flavored e-cigarettes for the first time, while also allowing some illegal vaping products to remain on the market. He also linked the regulatory shift to the departure of FDA Commissioner Marty Makary, saying White House pressure on regulators to approve tobacco product applications could create serious public-health consequences.
Regulations
May.15
Product | KT&G Expands lil AIBLE 3.0 Sales to Seoul Convenience Stores, Launches Two New AIIM Variants
Product | KT&G Expands lil AIBLE 3.0 Sales to Seoul Convenience Stores, Launches Two New AIIM Variants
According to South Korean media reports, KT&G has expanded sales of its heated tobacco device lil AIBLE 3.0 to convenience stores across Seoul starting May 13. The convenience-store version is offered in the exclusive OUD GRAY color. On the same day, KT&G also launched two new dedicated consumables for the lil AIBLE platform—AIIM REMIX and AIIM ICESPOT—at convenience stores nationwide, each priced at KRW 4,800.
Market
Jun.01