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Scientists Discover Way to Send Information into Black Holes Without Using Energy

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Scientists Create Cancer-Fighting Chewing Gum That Kills Dangerous Mouth Viruses

Imagine a simple chewing gum that does more than freshen breath—what if it could actually reduce cancer-causing microbes in the mouth? Scientists have now taken a major step in that direction. In a groundbreaking study, researchers led by Henry Daniell from the School of Dental Medicine have developed a bioengineered chewing gum that significantly reduces harmful microbes linked to head and neck cancers. Their findings, published in Scientific Reports, could open the door to more affordable and accessible cancer-prevention strategies.

Understanding Head and Neck Cancer

Head and neck squamous cell cancer (HNSCC) is one of the most common cancers affecting the mouth and throat. It develops in the lining of these areas and can become highly aggressive if not detected early.

One of the major concerns with this cancer is its poor survival rate when diagnosed at later stages. Even with modern treatments like surgery, radiation, and chemotherapy, many patients do not experience major improvements in long-term survival or quality of life.

This has created a strong need for new and better treatment approaches that go beyond traditional methods.

The Hidden Role of Microbes in Cancer

Scientists have increasingly discovered that certain microbes in the mouth may play a role in the development and progression of oral cancers. Three of the most important ones studied in this research are:

  • Human Papillomavirus (HPV)

  • Porphyromonas gingivalis (Pg)

  • Fusobacterium nucleatum (Fn)

HPV is already known to be linked to several types of cancer, including oropharyngeal cancer, which is rising globally. Meanwhile, Pg and Fn are bacteria that can worsen the outcomes of oral cancer, especially in advanced or recurrent cases.

According to researchers, these microbes not only contribute to disease progression but also reduce survival chances even after surgery and other treatments.

A New Idea: Medicinal Chewing Gum

The research team took inspiration from their earlier work on a chewing gum made from lablab beans. This gum contained a naturally occurring antiviral protein called FRIL (Fucose-Binding Lectin), which has shown potential in fighting viruses.

In the new study, scientists tested extracts from this bioengineered gum on oral samples collected from patients with head and neck cancer.

The results were highly promising.

Powerful Reduction in Harmful Viruses

When tested against HPV in saliva and oral rinse samples, the gum extract showed remarkable results:

  • 93% reduction in HPV levels in saliva

  • 80% reduction in oral rinse samples

This means the gum was highly effective in lowering the presence of a major cancer-linked virus in the mouth environment.

Such a reduction is significant because lowering HPV levels may help reduce the risk of cancer progression or recurrence in susceptible individuals.

Even Stronger Results Against Harmful Bacteria

The researchers did not stop at viruses. They also enhanced the gum by adding an antimicrobial peptide called protegrin, which is known for its ability to destroy harmful bacteria.

With this improved version of the gum, the results were even more impressive:

  • Levels of Porphyromonas gingivalis (Pg) and Fusobacterium nucleatum (Fn) were reduced to almost zero after a single dose.

What makes this even more important is that the gum did not harm beneficial bacteria in the mouth. This is a key advantage because maintaining a healthy oral microbiome is essential for overall oral health.

A Safer Alternative to Traditional Treatments

One of the biggest challenges with current cancer treatments like radiation therapy is that they often damage both harmful and beneficial cells and microbes.

Radiation therapy, for example:

  • Reduces beneficial oral bacteria

  • Increases harmful yeast like Candida albicans

  • Causes side effects that impact quality of life

In contrast, the bioengineered chewing gum showed a more targeted effect. It reduced harmful microbes without disturbing the healthy microbial balance in the mouth.

This makes it a potentially safer and more patient-friendly option for supportive cancer care.

Why This Discovery Matters

Head and neck cancers are not rare. In fact, lip and oral cavity cancers were among the top cancer types globally in 2022, affecting adolescents, young adults, and middle-aged individuals.

The increasing link between infections like HPV and oral cancers highlights the importance of controlling microbial populations in the mouth.

The researchers believe that this chewing gum approach could serve two important roles:

  1. As a supportive treatment (adjuvant therapy)
    It can be used alongside existing treatments like surgery and radiation to improve outcomes.

  2. As a preventive tool (prophylaxis)
    It may help reduce infection and transmission risks in high-risk populations.

A Step Toward Affordable Cancer Care

One of the most exciting aspects of this research is its simplicity. Unlike expensive drugs or complex medical procedures, chewing gum is:

  • Easy to use

  • Low-cost

  • Non-invasive

  • Accessible to large populations

This makes it especially valuable for low-resource healthcare settings where advanced cancer treatments may not always be available.

If further clinical trials confirm these results, this innovation could become a widely used preventive and supportive tool in oral cancer care.

The Road Ahead

While the findings are extremely promising, researchers emphasize that more clinical studies are needed before the gum can be widely used in hospitals or public health programs.

Future research will focus on:

  • Testing long-term safety and effectiveness

  • Conducting large-scale clinical trials

  • Understanding how frequently the gum should be used

  • Exploring its role in different stages of cancer prevention and treatment

Conclusion

This study marks an important step forward in the fight against head and neck cancers. A simple chewing gum, engineered with antiviral and antibacterial properties, has shown the ability to significantly reduce harmful microbes linked to cancer.

If future research confirms its effectiveness in humans on a larger scale, this innovation could change how we think about cancer prevention—shifting part of it from complex medical settings to something as simple as daily oral care.

Sometimes, big breakthroughs come in surprisingly small packages—and in this case, it might just be a piece of chewing gum.

Reference: Daniell, H., Wakade, G., Singh, R. et al. Ex vivo HNSCC clinical studies using saliva and antiviral or antibacterial chewing gums reveal reduction in carcinogenic microbes. Sci Rep 16, 7886 (2026). https://doi.org/10.1038/s41598-026-39062-w

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