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

Product | BAT Japan Launches virto Bright Peach Click in Japan, Expanding glo Hilo’s Capsule-Based Flavor Portfolio
Product | BAT Japan Launches virto Bright Peach Click in Japan, Expanding glo Hilo’s Capsule-Based Flavor Portfolio
British American Tobacco Japan (BAT Japan) has introduced virto Bright Peach Click, a new heated tobacco stick designed for the glo Hilo system. The product expands the existing virto consumable lineup with a combination of tobacco, menthol and ripe peach flavors, featuring a capsule mechanism that releases additional fruit flavor when activated. The product launched in Japan on July 27, 2026, through glo official online channels, convenience stores and tobacco retailers.
Aug.03
Kantar Study Finds More Than 93% of Vape Products in Ukraine Fail Regulatory Requirements
Kantar Study Finds More Than 93% of Vape Products in Ukraine Fail Regulatory Requirements
According to Interfax-Ukraine, a study conducted by market research firm Kantar Ukraine at the request of major tobacco companies found that more than 93% of vape products in Ukraine did not fully comply with regulatory requirements. The research examined product categories, brand distribution and consumer purchasing channels, showing that pod systems and disposable vapes represent major segments of the market, while offline retail remains the dominant purchasing channel. The findings highlight ongoing compliance challenges in Ukraine’s vape market.
Aug.26
UK Vape Tax Countdown: Retailer Vape HQ Estimates 100ml E-liquid Prices Could Rise From £12.99 to £39.39, While Pod Kits Increase Less Than 10%
UK Vape Tax Countdown: Retailer Vape HQ Estimates 100ml E-liquid Prices Could Rise From £12.99 to £39.39, While Pod Kits Increase Less Than 10%
The UK’s Vaping Products Duty (VPD), scheduled to take effect in October 2026, is prompting retailers to assess how different vape categories may be affected. UK retailer Vape HQ has estimated potential price changes under the new volume-based tax system, showing that 100ml shortfill e-liquids could see prices rise from around £12.99 to £39.39, a 203% increase, while 2ml prefilled pod vape kits could rise from £5.99 to £6.52, an increase of about 9%. The estimates highlight how a volume-based tax structure creates uneven cost impacts across product categories.
Aug.19
Product | PMI Launches Airport-Exclusive IQOS Skylens Limited Edition, Expanding From Japan’s Narita to Travel Retail Markets in 13 Countries Summary
Product | PMI Launches Airport-Exclusive IQOS Skylens Limited Edition, Expanding From Japan’s Narita to Travel Retail Markets in 13 Countries Summary
Philip Morris International (PMI) has introduced the airport-exclusive limited-edition IQOS ILUMA i PRIME Skylens, the company’s first device created specifically for airport travel retail. Inspired by the world of flight and finished in metallic blue, Skylens debuted at Narita International Airport in Japan before expanding into selected airport duty-free and travel-retail channels across 13 countries in Europe, Asia, the Middle East and Africa. The product retains the existing IQOS ILUMA i PRIME platform, with differentiation centered on airport exclusivity, design and travel-retail execution rather than a new heating architecture.
PMI
Aug.19
Smoore Wins Three Heated Device Supply Lots in China Tobacco Jiangsu’s Overseas Market Project Covering Japan, South Korea and Southeast Asia
Smoore Wins Three Heated Device Supply Lots in China Tobacco Jiangsu’s Overseas Market Project Covering Japan, South Korea and Southeast Asia
China Tobacco Jiangsu Industrial Co., Ltd. (JSIC) has completed its 2026-2028 heated device procurement project, with Shenzhen Smoore Technology Limited securing final supply contracts for three lots: U1, C1 and C2. The project was launched through a public tender in June 2026 to support overseas markets and involved heated tobacco devices carrying JSIC’s “iRod” trademark. Candidate supplier results published on July 13 showed Smoore ranked first for the three awarded lots, while Shenzhen Yunxi Intelligent Technology Co., Ltd. and Shenzhen Bodi Technology Development Co., Ltd. participated in the bidding process.
Aug.03
South Korean Lawmaker Jeong Jin-wook Pushes Synthetic Nicotine Vape Probe, Highlighting Supply Chain and Tax Concerns
South Korean Lawmaker Jeong Jin-wook Pushes Synthetic Nicotine Vape Probe, Highlighting Supply Chain and Tax Concerns
South Korean lawmaker Jeong Jin-wook has again called for stronger government action against liquid synthetic nicotine vape manufacturers and sellers, alleging that some businesses may have avoided regulation through product labeling changes and corporate restructuring. According to Newsworks, JNILBO and other Korean reports, Jeong has held his third press conference on the issue, calling for a government-wide investigation. The dispute involves whether synthetic nicotine products should fall under tobacco regulations, tax implications and supply-chain transparency. South Korean government agencies have previously said some estimates of potential tax losses cannot be verified due to limited sales data.
Jul.27