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

U.S. House Defense Bill Includes Pilot Review of Vapes, Nicotine Pouches and Heated Tobacco for Military Smokers
U.S. House Defense Bill Includes Pilot Review of Vapes, Nicotine Pouches and Heated Tobacco for Military Smokers
On July 23, 2026, the U.S. House of Representatives passed its version of the Fiscal Year 2027 National Defense Authorization Act (NDAA), which includes Section 707 provisions requiring the Department of Defense to evaluate tobacco use and nicotine alternatives among military personnel. The pilot program would examine products including vapes, nicotine pouches and heated tobacco products, primarily among active-duty service members who continue using combustible tobacco. The provision is a policy evaluation effort, not an authorization for military vaping promotion or a ban on vape products.
Jul.28
Product | KT&G Brings LOOP Nicotine Pouches to South Africa, Supporting ASF’s Expansion Across Africa
Product | KT&G Brings LOOP Nicotine Pouches to South Africa, Supporting ASF’s Expansion Across Africa
KT&G has introduced nicotine pouch brand LOOP in South Africa, expanding its modern oral nicotine portfolio. Developed by Swedish company Another Snus Factory (ASF), LOOP is a tobacco-free nicotine pouch brand. KT&G and U.S. tobacco company Altria previously participated in ASF’s strategic development, and the South Africa launch represents a further step in LOOP’s international expansion.
Aug.06
China Discloses First Criminal Case Over Counterfeit Vapes Disguised as “Medical Nebulizers” and “Zero-Nicotine” Products
China Discloses First Criminal Case Over Counterfeit Vapes Disguised as “Medical Nebulizers” and “Zero-Nicotine” Products
Chinese authorities have disclosed the country’s first reported criminal case involving counterfeit vapes marketed as “medical nebulizers” and “zero-nicotine” products. Authorities determined that the products involved were counterfeit vapes and pursued criminal charges for producing and selling counterfeit goods. According to the report, the case resulted in the seizure of 347,000 counterfeit vape pods and 53,700 vape devices, with physical goods valued at 22.13 million yuan.
Aug.04
UK HMRC Plans 30,000 Retail Enforcement Actions as Illegal Tobacco and Vape Sellers Face Tougher Crackdown
UK HMRC Plans 30,000 Retail Enforcement Actions as Illegal Tobacco and Vape Sellers Face Tougher Crackdown
The UK government has announced that HM Revenue & Customs (HMRC) will carry out more than 30,000 interventions targeting businesses and retail premises during the 2026-2027 financial year. The actions will focus on tax fraud, illegal goods sales and businesses involved in unlawful activities through retail channels. The government said illegal tobacco and illegal vape sales remain areas of concern. The move shows that UK enforcement against illegal nicotine products is expanding from import and supply channels toward retail-level oversight, alongside the upcoming introduction of the Vaping Products Duty.
Jul.24
Australia’s TGA Places Nicotine Pouches Under Therapeutic Goods Rules From July 24, Blocking Imports of Unapproved Products
Australia’s TGA Places Nicotine Pouches Under Therapeutic Goods Rules From July 24, Blocking Imports of Unapproved Products
Australia is strengthening controls on nicotine pouches under its existing therapeutic goods regulatory framework. According to the Therapeutic Goods Administration (TGA), nicotine pouch products must meet regulatory requirements, and unapproved products cannot be legally imported. The move follows Australia’s broader approach of maintaining strict oversight of nicotine products, including nicotine-containing vapes. As nicotine pouches expand globally, Australia’s regulatory approach highlights growing differences in how countries manage emerging smoke-free nicotine products.
Regulations
Jul.27
BAT CFO Dragos Constantinescu Takes Office, Returning After Seven Years and Former Asahi Europe Leadership Role
BAT CFO Dragos Constantinescu Takes Office, Returning After Seven Years and Former Asahi Europe Leadership Role
Dragos Constantinescu has officially taken up his role as Chief Financial Officer and Executive Director at British American Tobacco (BAT). He previously spent 16 years at BAT across finance and general management roles in Europe before joining Asahi in 2019 and becoming CEO of Asahi Europe & International in 2025. His return comes as BAT continues to advance its “A Better Tomorrow” transformation.
BAT
Sep.01