Listerine Mouthwash Lawsuits Study Links Use to Cancer Risk, Plaintiff Alleges

Listerine mouthwash, a staple in households around the world, has come under legal scrutiny in recent years due to claims that its regular use could be linked to a variety of cancers. From mouth cancer to colorectal and esophageal cancer, a growing body of research has led some to file lawsuits against Johnson & Johnson, the company behind the popular brand. The allegations suggest that Listerine’s Cool Mint mouthwash, among others, might promote the growth of harmful bacteria, potentially increasing the risk of developing serious health conditions.

In this article, we explore the lawsuits, the scientific evidence, and the concerns raised by experts regarding the use of Listerine mouthwash. We will delve into the details of the legal actions, studies linking mouthwash to cancer risks, and what consumers need to know about these claims.

What Are the Main Lawsuits Against Listerine?

Vasseur v. Johnson & Johnson Class Action Lawsuit

In a class action lawsuit filed by Paige Vasseur, Listerine’s maker, Johnson & Johnson, is accused of failing to warn consumers about the potential risks of using their mouthwash. The suit, filed in California, claims that daily use of Listerine Cool Mint mouthwash may increase the growth of two types of harmful bacteria—Fusobacterium nucleatum and Streptococcus anginosus. These bacteria have been linked to oral, esophageal, and colorectal cancer. The lawsuit argues that consumers would not have purchased Listerine had they been properly informed about the risks involved.

The suit is part of a broader concern, where plaintiffs assert that Johnson & Johnson has deliberately concealed information to protect its sales of Listerine. Listerine is a product with annual sales exceeding $ 1 billion in the United States alone## The Alleged Link Between Listerine and Cancer.

Bacteria and Cancer Connection

Studies cited in the lawsuits suggest that the bacteria linked to Listerine use, particularly Fusobacterium nucleatum, have been associated with a higher risk of certain cancers, especially in the oral cavity and gastrointestinal tract. In particular, F. nucleatum is considered a potential contributor to colorectal cancer as well as esophageal cancer. This bacterium is known to play a role in disrupting the gut microbiome, which is integral to cancer development.

A study conducted in 2019 by researchers from the Institute of Tropical Medicine in Antwerp, Belgium, found that daily mouthwash use increased levels of Fusobacterium nucleatum in the oral microbiome of participants. The study highlighted concerns about the link between these bacteria and cancer development in the colon and esophagus .

Johnson & Johnson has consistently denied any direct link between Listerine and cancer. A spokesperson for Kenvue (formerly Johnson & Johnson’s consumer division) stated, “There is no evidence that Listerine causes cancer.” The company emphasizes that Listerine is safe when used as directed and that studies on its impact have been published in numerous peer-reviewed journals, making it one of the most extensively tested mouthwashes in the world .

However, despissurances, some experts are not fully convinced. Dr. Karen Saghiyan, a colorectal cancer researcher at Cedars-Sinai Medical Center in Los Angeles, voiced concern over studies suggesting that Fusobacterium bacteria may contribute to colon cancer. Dr. Saghiyan’s comments on social media have sparked widespread discussions, with her TikTok video on the subject accumulating nearly 800,000 views .

Legal andcations

History of Legal Action and Business Concerns

The legal controversy surrounding Listerine and its potential health risks is not new. As far back as 2011, the company faced lawsuits alleging that it blocked the sale of an oral cancer detection kit to protect its product line. In that case, Oral Cancer Prevention International (OCPI) filed a $60 million lawsuit against Johnson & Johnson, claiming the company deliberately sidelined the sale of a cancer detection test to shield its lucrative Listerine brand .

The lawsuit pointed to studies, such as oed in the Australian Dental Journal in 2008, that found a potential link between mouthwashes containing high alcohol content, such as Listerine, and increased oral cancer risk. Although the American Dental Association responded by stating that there was insufficient evidence to support a direct connection between alcohol-based mouthwashes and oral cancer, the legal disputes continue to raise questions about the corporate handling of health concerns .

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Expert Insights What Do Scientists Say?

Role of Alcohol in Mouthwash Listerine contains between 21.6% to 26.9% alcohol. Alcohol has long been considered a potential risk factor for various cancers, particularly those of the mouth, throat, and esophagus. While some experts believe the alcohol content in Listerine may increase cancer risks by promoting the growth of harmful bacteria, others argue that there is no definitive proof linking the alcohol in mouthwash directly to cancer.

Dr. Chris Steele, a prominent UK-based GP, commented on the concerns raised by mouthwash usage, stating, “While alcohol has been associated with cancer risks, it’s important to consider the larger context. A wide range of factors contribute to cancer, and more research is needed to fully understand the role of alcohol-based mouthwashes” .

Shift Toward Alcohol-Free Alternatives

As concerns aealth risks of alcohol-based mouthwashes continue to grow, alternatives like Listerine Zero, which contains no alcohol, have become more popular. Johnson & Johnson launched Listerine Zero in 2009 in response to growing concerns about the risks of alcohol in mouthwash products. However, the legal challenges surrounding the alcohol-based version of Listerine have not completely dissipated.

Statistical Evidence and Cancer Trends

Rising Cancer Rates and Risk Factors

Colorectal cancer, in particular, is on the rise among younger populations. Data from JAMA Surgery projects that colon cancer diagnoses in individuals aged 20-34 could increase by 90% by 2030. This surge in early-onset colorectal cancer has been linked to several factors, including diet, obesity, and changes in the gut microbiome. Fusobacterium, the bacterium linked to Listerine use, is present in a significant number of colorectal cancer tumors .

Moreover, oral cancers have also been on the rise, with more thanew cases diagnosed every year** in the UK alone . These figures highlight the need for ongoing research into potential environmeifestyle factors, including the use of alcohol-based mouthwashes like Listerine.

What Can Consumers Do?

Should You Be Concerned?

While the legal and scientific fights continue, it’s important to remember that current evidence linking Listerine to cancer is not conclusive. Johnson & Johnson maintains that Listerine is safe when used as directed. However, for those who are concerned about the potential risks, switching to an alcohol-free mouthwash could provide peace of mind.

FAQs on Listerine and the Lawsuit

What is the controversy with Listerine?

The controversy surrounding Listerine primarily stems from lawsuits accusing its manufacturer, Johnson & Johnson, of failing to disclose potential health risks associated with its mouthwash products. Specifically, studies suggest that daily use of Listerine mouthwash may promote the growth of bacteria linked to certain cancers, including colorectal and esophageal cancers. The lawsuits claim that the company misled consumers about these risks, and plaintiffs argue that they would not have purchased the product had they known about the potential dangers.

Is it safe to use Listerine mouthwash?

Listerine is generally considered safe when used as directed. It has been extensively tested and is widely used to maintain oral hygiene. However, concerns have arisen due to its alcohol content (typically 21.6% to 26.9%), which some studies suggest may contribute to the growth of harmful bacteria linked to cancer. While no definitive evidence directly links Listerine to cancer, those concerned about potential risks, especially with regular use, might consider alcohol-free alternatives, such as Listerine Zero.

Are there any side effects of Listerine?

Listerine is typically well-tolerated by most users, but like any oral product, it can have side effects. Some of the common side effects include:

• Dry mouth due to the alcohol content.
• Burning or irritation in the mouth or gums, particularly for those with sensitive oral tissues.
• Altered taste or an uncomfortable aftertaste, especially with the Original flavor.
• Increased risk of mouth sores with prolonged use in certain individuals.

If you experience persistent irritation or discomfort, it’s advisable to discontinue use and consult a healthcare professional.

Has Listerine Original been discontinued?

No, Listerine Original has not been discontinued. It remains one of the most popular and widely available mouthwash products. While Johnson & Johnson has introduced alcohol-free versions like Listerine Zero and other flavored varieties, the Original Listerine mouthwash continues to be produced and sold worldwide. The company has adjusted its product range to cater to diverse consumer preferences, but the Original remains part of its offerings.

Can using Listerine increase the risk of cancer?

Some studies suggest a link between alcohol-based mouthwashes, like Listerine, and the growth of harmful bacteria that could potentially increase the risk of cancers such as colorectal cancer and esophageal cancer. Research has found that daily use of Listerine can increase the levels of certain bacteria, such as Fusobacterium nucleatum, which is associated with cancer development. However, there is currently no conclusive evidence directly proving that Listerine causes cancer. The ongoing lawsuits continue to investigate these concerns.

 What does the lawsuit claim about Listerine’s safety?

The lawsuits claim that Johnson & Johnson failed to warn consumers about the potential cancer risks of using Listerine mouthwash regularly. Plaintiffs argue that the company was aware of the potential dangers but chose not to disclose the findings to protect its brand and sales. The lawsuits assert that Listerine increases the levels of harmful bacteria in the mouth, some of which are linked to cancer, and that consumers should have been made aware of these risks.

How can I protect myself from the potential risks of Listerine mouthwash?

To mitigate any potential risks, you can consider the following alternatives:

• Use alcohol-free mouthwash options like Listerine Zero.
• Follow the usage guidelines carefully—do not exceed the recommended usage frequency.
• If you have any concerns about using Listerine regularly, consult with your dentist or healthcare provider for personalized advice.
• Ensure you maintain a balanced oral hygiene routine that includes brushing, flossing, and regular dental checkups, which can help mitigate any potential oral health risks.

What are the long-term effects of using Listerine mouthwash?

While short-term use of Listerine mouthwash generally does not pose significant health risks, long-term or excessive use could lead to dry mouth, irritation of the oral mucosa, and disruption of the mouth’s natural bacterial balance. Some studies have also raised concerns that long-term use of alcohol-based mouthwashes might contribute to the development of oral health issues, including an increased risk of oral cancer. However, scientific evidence on the long-term cancer risk of Listerine is still inconclusive, and further research is needed to establish a clear connection.

Are there any other mouthwashes that could be dangerous?

While Listerine is under scrutiny, other alcohol-based mouthwashes could also present similar risks. Many mouthwashes contain high levels of alcohol, which can affect the mouth’s bacterial environment. As a result, it’s crucial to pay attention to product labels and choose mouthwash that is alcohol-free or specifically formulated to avoid disrupting the oral microbiome. Always consult with a dentist before switching to a new mouthwash to ensure it is appropriate for your oral health needs.

What should I do if I’m concerned about using Listerine?

If you are concerned about the potential risks associated with Listerine mouthwash, consider switching to an alcohol-free version or other alternative mouthwashes with gentler formulations. You can also consult your healthcare provider for personalized advice based on your medical history and current health condition. Regular dental checkups are essential to monitor your oral health and ensure that you are using products that are safe for you in the long term.

How to Join the Listerine Lawsuit

1. Review the Class Action: Check if you meet the criteria to join the lawsuit.
2. Contact Attorneys: Reach out to the lawyers handling the case for guidance.
3. Provide Proof: Submit receipts or documentation showing your regular use of Listerine.
4. Submit a Claim Form: Complete the form to officially join the lawsuit.
5. Stay Updated: Keep track of any case progress or settlement offers.

How Much Compensation Might You Get?

• Class Action Settlement: Compensation depends on the number of claimants and the settlement amount.
• Types of Damages: Includes medical costs, emotional distress, product refunds, and lost wages.
• Factors Affecting Payout: Harm caused, number of claimants, and legal fees may impact compensation.
• Legal Fees: Lawyers typically take around 30% of the settlement.

Conclusion What Lies Ahead?

As the lawsuits against Johnson & Johnson continue to unfold, the public remains divided on the risks associated with Listerine. While scientific studies have shown a correlation between the use of alcohol-based mouthwash and the growth of cancer-related bacteria, the link to actual cancer remains unproven. Still, experts agree that more research is needed to fully understand the potential health risks.

For now, consumers can stay informed by paying attention to ongoing studies and legal proceedings, and they may choose alcohol-free alternatives if they wish to err on the side of caution.

Sources:

1. Vasseur v. Johnson & Johnson Class Action Lawsuit – Source
2. Institute of Tropical Medicine Study on Fusobacterium – Source
3. Oral Cancer Prevention International Lawsuit – Source