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

NAS 2026 | Cliff Douglas: Risk Continuum Should Play a Central Role in Tobacco Policy
NAS 2026 | Cliff Douglas: Risk Continuum Should Play a Central Role in Tobacco Policy
Cliff Douglas, a veteran U.S. tobacco-control and public health policy figure, told NAS 2026 that the “continuum of risk” should play a central role in tobacco policy. He called for clearer market pathways, stronger risk communication, differentiated regulation and enforcement, and said possible FDA reforms to PMTA reviews could be a “welcome correction” if they create a more efficient, predictable route for scientifically substantiated lower-risk products. Read 2Firsts’ on-site coverage.
Sep.26
India Steps Up Nicotine Pouch Enforcement as ZYN, White Fox Circulate and Drug Panel Urges Halt to New Nicotine Formulations
India Steps Up Nicotine Pouch Enforcement as ZYN, White Fox Circulate and Drug Panel Urges Halt to New Nicotine Formulations
India's Ministry of Health and Family Welfare has directed states to step up enforcement against nicotine pouch sales, citing increased availability through online and offline channels and concern about nicotine exposure among children. Reuters reported that international brands including ZYN and White Fox are being sold in India. A study led by ICMR-NICPR found pouches in seven of 10 surveyed locations and identified 68 brands and 445 flavors online. Separately, India's Drugs Technical Advisory Board recommended in August that no new nicotine formulation be approved.
Regulations
Sep.28 by 2Firsts Perspectives
Switzerland Tightens Vape Checks as Only 3 of 32 Tested Products Meet New Tobacco Rules
Switzerland Tightens Vape Checks as Only 3 of 32 Tested Products Meet New Tobacco Rules
According to Swiss media outlet Blick, local authorities are strengthening compliance checks on vape products, nicotine pouches and other tobacco-related products following the implementation of Switzerland’s revised Tobacco Products Act. A Basel laboratory tested 32 disposable vapes and e-liquids, with only three meeting regulatory requirements and 21 products banned from sale. Swiss authorities are also expanding retail inspections, laboratory testing and youth purchase checks to enforce the new tobacco and nicotine product rules.
Aug.12
Ispire Q4 Revenue Rebounds 33% but Full-Year Sales Still Fall 25% as FY2027 Focus Shifts to Malaysia Manufacturing, ODM, Nicotine Pouches and Age Verification
Ispire Q4 Revenue Rebounds 33% but Full-Year Sales Still Fall 25% as FY2027 Focus Shifts to Malaysia Manufacturing, ODM, Nicotine Pouches and Age Verification
Ispire Technology reported FY2026 revenue of about $96 million, down 24.7% year over year, as U.S. cannabis-vapor hardware and European e-cigarette sales declined by $17.4 million and $12.7 million, respectively. Fourth-quarter revenue rose 32.5% to $26.7 million, while quarterly gross margin fell to 6.3%. For FY2027, the company is prioritizing Malaysia manufacturing and vapor ODM while continuing to develop nicotine pouches, IKE Tech age-verification technology and G-Mesh licensing. Ispire has not separately disclosed the revenue or profit contribution of those newer businesses.
Regulations
Sep.17 by 2Firsts Perspectives
U.S. Expands Illicit Vape Enforcement as ATF Brings PACT Act Powers Into Trade Fraud Task Force
U.S. Expands Illicit Vape Enforcement as ATF Brings PACT Act Powers Into Trade Fraud Task Force
The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives said on September 23 that it has joined the interagency Trade Fraud Task Force to strengthen enforcement against illegal, misdeclared and smuggled vape and tobacco products. ATF will bring its authority under the Prevent All Cigarette Trafficking Act into the task force, including registration, reporting, shipping and record-inspection requirements covering interstate sales of electronic nicotine delivery systems. ATF said the move will strengthen its ability to trace illicit products from U.S. points of entry through domestic trafficking and distribution networks.
News
Sep.28 by 2Firsts Perspectives
From Nicotine Pouches to Soft Candy Forms: China Tobacco Hubei explores adjustable-release oral nicotine products
From Nicotine Pouches to Soft Candy Forms: China Tobacco Hubei explores adjustable-release oral nicotine products
China-based China Tobacco Hubei Industrial Co., Ltd. has filed a patent application covering an oral nicotine product and its preparation method. The patent proposes a soft candy-shaped oral nicotine product containing nicotine ingredients, gelling agents, sweeteners and alkaline pH regulators. Through formulation adjustments and homogeneous or dual-layer structures, the technology aims to achieve different nicotine release profiles. The filing reflects exploration of new oral nicotine product formats and controlled nicotine delivery approaches.
Aug.06