Potential Risks of Long-Term E-Cigarette Use

Dec.06.2022
Potential Risks of Long-Term E-Cigarette Use
Studies on the potential dangers of long-term e-cigarette use vary, with some suggesting a 5% risk of potential harm.

Some studies have not quantified the potential risks of long-term use of electronic cigarettes. Others believe that while the dangers of e-cigarettes are 95% lower than traditional cigarettes, the remaining 5% represents a conservative estimate of potential risks from flavorings and ingredients over the long term. Some still insist that it is not possible to draw definitive conclusions today. According to one study, most tested models showed low levels of toxicity, and therefore do not pose a danger to users.


However, the author explains that this is not a reliable measure as the number of models and amounts of e-liquid in the market continue to increase without testing [4]. Ultimately, for the World Health Organization, the toxicity of e-cigarettes may be lower than tobacco, but according to them, there is no evidence to suggest the effectiveness of e-cigarettes in quitting smoking [5]. The view that conflicts with the Cochrane organization's point of view is that e-cigarettes are almost twice as effective as other nicotine replacement products (patches, gum, etc.) in quitting smoking.


In the end, the results from these different studies may vary and have different interpretations, but almost all the research agrees on one point: the current results are encouraging.


2FIRSTS will continue to report on this topic, with further updates available on the "2FIRSTS APP". Scan the QR code below to download the app.



Disclaimer

This article is provided solely for professional research, industry discussion, and informational purposes. Any references to brands, companies, products, technologies, or policies are made for factual reporting and analytical purposes only, and do not constitute endorsement, recommendation, promotion, or advertising by 2Firsts.

Nicotine-containing products, including but not limited to cigarettes, e-cigarettes, heated tobacco products, and nicotine pouches, carry significant health risks. Readers are responsible for complying with all applicable laws and regulations in their respective jurisdictions, including age restrictions and access limitations.

The information contained in this article should not be regarded as investment, legal, medical, regulatory, or commercial advice. While 2Firsts strives to ensure the accuracy and reliability of its content, it does not assume liability for any direct or indirect loss arising from errors, omissions, inaccuracies, or reliance on the information contained herein.

This article is not intended for individuals below the legal age for accessing tobacco or nicotine-related information in their jurisdiction.

 

Copyright Notice

This article is either original content produced by 2Firsts or content reproduced, translated, summarized, or adapted from third-party sources with attribution where applicable. The intellectual property rights of the original content remain with 2Firsts or the respective original rights holders.

No individual or organization may copy, reproduce, distribute, republish, modify, translate, or otherwise use this content without prior authorization. Any unauthorized use may result in legal action.

For copyright-related inquiries, corrections, or removal requests, please contact: info@2firsts.com.

 

AI-Assisted Translation and Editing Notice

Portions of this article may have been translated, edited, or reviewed with the assistance of artificial intelligence tools to improve efficiency and readability. Due to the limitations of AI-assisted translation and editing, discrepancies, omissions, or inaccuracies may exist when compared with the original source.

Where applicable, readers are advised to refer to the original source for the most complete and accurate information. If you identify any errors or believe that any content infringes upon your rights, please contact us at info@2firsts.com, and we will review and address the matter promptly.

Juul Sublicense Reshapes Vuse Alto Patent Bill as Court Ends R.J. Reynolds’ 5.25% Royalty Obligation to Altria
Juul Sublicense Reshapes Vuse Alto Patent Bill as Court Ends R.J. Reynolds’ 5.25% Royalty Obligation to Altria
According to Law360 on August 31, 2026, a federal judge in North Carolina ruled that a patent sublicense between R.J. Reynolds Vapor Co. and Juul Labs Inc. relieves Reynolds of its obligation to continue paying royalties to Altria Client Services LLC over Vuse Alto. A jury had previously found that Vuse Alto infringed three Altria patents and awarded approximately $95.2 million in past damages, after which Reynolds was ordered to pay an ongoing royalty equal to 5.25% of positive net sales. The new ruling finds that a valid sublicense can eliminate future infringement, potentially ending what Altria described as hundreds of millions of dollars in future royalties.
Sep.01
SMOORE’s DOJO by VAPORESSO to Launch New Global Brand Identity on September 1
SMOORE’s DOJO by VAPORESSO to Launch New Global Brand Identity on September 1
According to recent LinkedIn posts from people at VAPORESSO, SMOORE and a German distribution partner, vape brand DOJO will begin rolling out a new global brand identity on September 1, 2026, led by a redesigned handwritten logo. The new visual system will be gradually applied across product packaging, marketing materials and digital assets over the following months. Fabio Corsaro, Head of Marketing and Purchasing at MG Wesel GmbH, said the rebrand was related to trademark issues, but that explanation has not been publicly confirmed by DOJO, VAPORESSO or SMOORE. DOJO is currently promoting its Blast X product in Germany.
Aug.31
2Firsts Interview | Cigarette Sales Fall as Smokeless Alternatives Gain in U.S. Convenience Stores, NACS Says
2Firsts Interview | Cigarette Sales Fall as Smokeless Alternatives Gain in U.S. Convenience Stores, NACS Says
Ahead of the 2026 NACS Show, 2Firsts interviewed Chris Rapanick, NACS managing director of research, on changes reshaping the U.S. convenience-store tobacco and nicotine market. NACS data show cigarette sales declining while smokeless alternatives, including nicotine pouches, continue to grow. The interview also examines higher OTP margins, shifting backbar space, weaker store traffic, regulatory uncertainty and NACS’ outlook for 2027, offering a retailer-side view of one of the world’s largest nicotine markets.
Interview
Oct.03
South Korea Extends Vape Rules to Unmanned Stores After Bringing Synthetic Nicotine Under Tobacco Law
South Korea Extends Vape Rules to Unmanned Stores After Bringing Synthetic Nicotine Under Tobacco Law
South Korea's Ministry of Gender Equality and Family said on September 14 that it plans to designate unmanned e-cigarette stores as businesses where minors are prohibited from entering or working. Operators would be required to verify customers' ages and display notices restricting access by minors. The proposal is open for public comment through October 6. The move follows an April expansion of South Korea's statutory tobacco definition that brought products made with natural or synthetic nicotine under the Tobacco Business Act. Nicotine-free liquids and products using nicotine analogues such as 6-methylnicotine, however, remain an emerging regulatory issue.
Sep.21
Special Report | How Capital Is Reassessing the Global Tobacco and Modern Nicotine Industry: Lessons from a New York Forum
Special Report | How Capital Is Reassessing the Global Tobacco and Modern Nicotine Industry: Lessons from a New York Forum
Capital is reassessing the global tobacco and modern nicotine industry as heated tobacco, vaping and nicotine pouches reshape demand, profitability and regulation. At the 2026 New Approaches Summit in New York, investors and analysts examined whether smoke-free growth can sustain earnings, how regulation shapes startup value, and whether shareholder engagement can be more effective than divestment. The debate points to a broader shift: tobacco transition is increasingly becoming a capital-allocation, governance and valuation question.
Capital Markets
Oct.05
From a 2017 Launch to 48% of South Korea’s Heated Tobacco Market, KT&G Looks Back on a Decade of lil
From a 2017 Launch to 48% of South Korea’s Heated Tobacco Market, KT&G Looks Back on a Decade of lil
KT&G announced on Aug. 13, 2026, that it has opened “lil Archive,” a brand exhibition space in Seoul showcasing the evolution, technology platforms and future direction of its heated tobacco brand lil since its launch in 2017. KT&G said lil now spans three major platforms — lil SOLID, lil HYBRID and lil AIBLE — with more than 30 dedicated consumables, and held a 48% share of South Korea's heated tobacco market in the second quarter of 2026. The opening comes as lil enters its 10th year, with KT&G continuing to position the brand for expansion beyond its domestic market.
Aug.14