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

French Vape Market Under Pressure as Europe’s First Listed Vape Company Kumulus Vape Reports 7.8% H1 Revenue Decline, Retail Sales Rise 41.5%
French Vape Market Under Pressure as Europe’s First Listed Vape Company Kumulus Vape Reports 7.8% H1 Revenue Decline, Retail Sales Rise 41.5%
Kumulus Vape, Europe’s first publicly listed vape company, reported a 7.8% year-on-year decline in first-half 2026 revenue. Amid changing conditions in France’s vape market, the company said channel diversification helped offset pressure, with physical store sales increasing 41.5% year on year. Listed on Euronext Access Paris in 2019 and later transferred to Euronext Growth Paris, Kumulus Vape is viewed as a representative company of Europe’s vape sector. Its performance highlights the industry’s shift from rapid expansion toward more operationally focused growth.
Jul.27
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
2Firsts Hosts U.S. Market Mid-Year Briefing: Companies Need to Reassess Product and Market-Access Strategies
2Firsts Hosts U.S. Market Mid-Year Briefing: Companies Need to Reassess Product and Market-Access Strategies
2Firsts held its 2026 U.S. Market Compliance and Development Mid-Year Briefing in Shenzhen, China, on July 28. The discussion examined how state-level requirements, proposed foreign-establishment registration rules and expanding supply-chain responsibilities are changing product and investment decisions in the U.S. tobacco and nicotine market.
Jul.29
Product | JT Launches Ploom AURA Glacier White in Japan, Expanding the Device Ecosystem Through Color and Accessories
Product | JT Launches Ploom AURA Glacier White in Japan, Expanding the Device Ecosystem Through Color and Accessories
Japan Tobacco Inc. (JT) has introduced the Ploom AURA Glacier White heated tobacco device in Japan, adding a new color option to the existing Ploom AURA lineup. The device maintains the existing SMART HEATFLOW technology and HEAT SELECT SYSTEM with four heating modes, while expanding the ecosystem through new accessories including front panels, back covers, a car holder and wireless charging covers. The product entered pre-sale in Japan on June 30, 2026, followed by broader retail availability from July 7.
Aug.03
2Firsts Data | China’s U.S. Vape Exports Have Yet to Regain Previous Growth Momentum in H1 2026, but Hardware Grew 15.2% and 6-Methyl Nicotine-Related Products Rose 234.7%
2Firsts Data | China’s U.S. Vape Exports Have Yet to Regain Previous Growth Momentum in H1 2026, but Hardware Grew 15.2% and 6-Methyl Nicotine-Related Products Rose 234.7%
China’s vape exports to the U.S. reached approximately $1.58 billion in the first half of 2026, remaining broadly stable from a year earlier but still below previous growth momentum. 2Firsts’ analysis of China Customs data shows that the U.S. market has not simply returned to its previous trajectory after the enforcement shock and inventory-driven swings of 2025. Instead, export momentum is shifting across product categories. Vaping devices and atomization hardware increased 15.2% year over year, while 6-methyl nicotine-related and other nicotine substitute products surged 234.7%. Meanwhile, traditional nicotine-containing vaping products continued to face pressure.
Jul.22
Imperial Brands Acquires Helwit Owner Yoik Group for SEK 515 Million, More Than Doubling Swedish Nicotine Pouch Share
Imperial Brands Acquires Helwit Owner Yoik Group for SEK 515 Million, More Than Doubling Swedish Nicotine Pouch Share
Imperial Brands has agreed to acquire 100% of Swedish modern oral nicotine company Yoik Group AB for an initial SEK515 million, equivalent to about US$53.9 million, plus a deferred payment linked to performance over the next two years. Yoik owns nicotine pouch brand Helwit, which held about 3.4% of Sweden’s modern oral nicotine market over the past 12 months. Imperial says the acquisition will more than double its existing share of the Swedish market. Helwit is also sold elsewhere in the Nordics, through European online channels and in selected UK retail outlets.
Sep.08