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

UK Extends Age-18 Rules to Zero-Nicotine Vapes and Nicotine Pouches From Oct. 29, Bans Vending Machines and Promotional Giveaways
UK Extends Age-18 Rules to Zero-Nicotine Vapes and Nicotine Pouches From Oct. 29, Bans Vending Machines and Promotional Giveaways
Key provisions of the UK's Tobacco and Vapes Act 2026 will take effect on Oct. 29, extending an age-18 sales restriction to all vaping and non-medicinal nicotine products. In England, Wales and Northern Ireland, the change brings zero-nicotine vapes within statutory age-of-sale rules and also covers products including nicotine pouches, strips and pearls. The law will also prohibit proxy purchasing for under-18s, consumer-facing vending machines, promotional giveaways and substantial discounts intended to promote vaping and nicotine products.
Regulations
Oct.10
Australia’s Victoria Steps Up Illegal Tobacco Enforcement With Store Closures and Penalties of Up to A$2.5 Million
Australia’s Victoria Steps Up Illegal Tobacco Enforcement With Store Closures and Penalties of Up to A$2.5 Million
Australia’s state of Victoria has activated new powers allowing Tobacco Licensing Victoria and police to shut premises suspected of selling, supplying or possessing illicit tobacco for up to 90 days. Longer closures can be ordered by a magistrates’ court. Businesses subject to closure orders must generally cease all trading and will be placed on a public list. Breaching a closure order can carry penalties of up to A$2.5 million and 20 years in prison.
Sep.10
2Firsts Data|China’s Vape-Related Exports Rose 3.3% in August 2026 as UK Shipments Jumped 51.4% and U.S. Exports Fell 12.4%
2Firsts Data|China’s Vape-Related Exports Rose 3.3% in August 2026 as UK Shipments Jumped 51.4% and U.S. Exports Fell 12.4%
China exported $979 million of vape-related products in August 2026, up 3.3% from a year earlier but down 6.4% from July. The UK replaced the U.S. as the main source of growth: UK-bound shipments jumped 51.4% to a 2026 high of $177 million, while exports to the U.S. fell 12.4% to $339 million. Shipments to markets outside the U.S. increased 14.2%, broadening growth beyond the market that had driven July’s rebound.
News
Sep.23 by 2Firsts Perspectives
Huabao International Buys Indonesian HNB Manufacturer for RMB 90 Million, Adding OEM/ODM Capacity
Huabao International Buys Indonesian HNB Manufacturer for RMB 90 Million, Adding OEM/ODM Capacity
Huabao International Holdings Limited will acquire 100% of PT Broad Far Indonesia through two wholly owned subsidiaries for approximately RMB 90 million. The Indonesian company manufactures and sells heat-not-burn tobacco sticks and provides OEM/ODM services. The sellers are part of a related-party group controlled by Huabao International Chair and controlling shareholder Zhu Linyao. PT Broad Far Indonesia generated $4.37 million in revenue and $177,000 in profit after tax in the first half of 2026, while net assets stood at about $326,000 at June-end. An independent valuer assessed the company’s equity at approximately RMB 93.06 million. Following completion, the HNB manufacturing operation will be consolidated into Huabao International.
News
Sep.29 by 2Firsts Perspectives
Charlie’s Bets on Age-Gating and 678 PMTA Assets as U.S. Vape Enforcement Landscape Shifts
Charlie’s Bets on Age-Gating and 678 PMTA Assets as U.S. Vape Enforcement Landscape Shifts
Charlie’s Holdings said in its latest shareholder letter that it is moving to commercialize PACHA products and monetize its PMTA assets as the FDA changes enforcement priorities for unauthorized ENDS products. Thirty PACHA SKUs were previously tentatively identified for a proposed public list of products that the FDA generally does not intend to prioritize for enforcement. Charlie’s is also preparing test-market sales of age-gated flavored disposables and says it currently holds 678 PMTA-related product assets while seeking additional strategic transactions and partnerships.
Sep.11
U.S. Military Could Test Nicotine Pouches and Vapes for Smoking Cessation as Washington Examiner Cites ZYN and Potential $4 Billion Reduction in Related Defense Costs
U.S. Military Could Test Nicotine Pouches and Vapes for Smoking Cessation as Washington Examiner Cites ZYN and Potential $4 Billion Reduction in Related Defense Costs
The House-passed FY2027 National Defense Authorization Act includes a provision authorizing the defense secretary to conduct a one-year smoking-cessation pilot for active-duty service members. Section 707 lists counseling, nicotine gum and patches alongside what the bill calls "electric nicotine delivery systems," nicotine pouches and heat-not-burn products. A recent Washington Examiner op-ed cited ZYN as an example in arguing for the provision, but the legislation does not name any commercial brand or supplier. ZYN is made by PMI-owned Swedish Match USA, with specified products holding FDA marketing authorizations and modified risk orders.
Sep.20