Why is it Important to Brush Your Teeth: Oral Bacteria Found in Colon Cancer
In a groundbreaking study published in Nature Journal, scientists have unearthed a startling connection between oral health and one of the deadliest forms of cancer: colorectal cancer. This revelation emphasizes not just the value of a bright smile but potentially a life-saving routine. At the heart of this research is a type of bacteria, commonly residing in our mouths, named Fusobacterium nucleatum (Fn). But what does this bacterium have to do with colon cancer? Let’s dive deeper.
The Unwanted Journey: From Mouth to Colon
Under normal circumstances, Fn plays its part in the oral ecosystem without much notice. However, this study shows that its presence is not so benign in other parts of the body. In individuals diagnosed with colorectal cancer, high amounts of Fn were discovered within tumors, suggesting a glaring correlation between this bacterium and the progression and severity of the condition. How does a bacterium, typically confined to the mouth, end up exacerbating a tumor in the colon? The answer lies in our daily activities: brushing, flossing, and even dental procedures may inadvertently introduce these bacteria into the bloodstream, allowing them to travel and settle in the colon.
A Double Life: The Two Faces of Fn
The study provides a deeper insight into the character of Fn, identifying two distinct lineages: Fna C1, a common resident of the oral cavity, and Fna C2, which has adapted to thrive within the harsh environment of colorectal cancer tumors. The cancer-promoting lineage, Fna C2, comes equipped with genetic factors enriched in colon tumors, indicating a specialized evolution that allows these bacteria to not only survive but potentially encourage tumor growth.
The Importance of Brushing Your Teeth
While the connection between oral bacteria and colon cancer might seem distant, it fundamentally underscores the importance of maintaining rigorous oral hygiene. Brushing your teeth transcends cosmetic appeal, extending to critical health benefits. It eliminates plaque, prevents tooth decay, and may also play a pivotal role in warding off serious illnesses, including but not limited to colon cancer. Removing these bacteria from your mouth reduces the possibility of them finding a way into your bloodstream—and potentially your colon.
Beyond the Brush: A Holistic Approach to Health
The revelations from this study advocate for a more holistic understanding of health. The act of brushing, often viewed through the narrow lens of preventing cavities or freshening breath, is now seen as part of a broader strategy to combat serious diseases. Regular dental check-ups, brushing at least twice a day with fluoride toothpaste, flossing, and rinsing with an antimicrobial mouthwash form a comprehensive defense not just against oral health issues but potentially life-threatening conditions.
This study not only expands our understanding of colorectal cancer’s complexities but also highlights an accessible, everyday practice that might have far-reaching implications for our overall well-being. In a world where our health is increasingly under threat from numerous fronts, perhaps it’s comforting to know that part of the solution lies in something as simple, yet profound, as brushing our teeth.
As research progresses, the hope is to identify targeted treatments that can distinguish and combat cancer-promoting bacteria like Fn. In the meantime, the message is clear: never underestimate the power of a good oral hygiene routine. It might just be your first line of defense in a battle against diseases far beyond the teeth and gums.
Divya 
Priyanka