Want to Live Longer? Start Flossing Your Teeth
There's a real link between the two, research says.
Reported by SELF.
The wellness industrial complex wants you spending money on cold plunge tubs, adaptogenic powders, and wearable tech that tracks your REM cycles. Meanwhile, the single most underrated longevity tool in your bathroom costs about four dollars and takes ninety seconds. It's floss. And yes, this is serious.
According to SELF, your toothbrush only cleans 60 percent of your tooth surfaces — meaning if you're skipping floss, nearly half your mouth is accumulating bacterial buildup every single day. "Flossing is a simple but critical intervention because it disrupts bacterial biofilm between the teeth — areas a toothbrush cannot reach," says board-certified periodontist Richard Nejat, DDS. That biofilm is the foundation of gum disease, which affects roughly half of American adults, per the Cleveland Clinic. What's more, the tissue where your gum meets your tooth is among the most permeable in the human body, explains Kami Hoss, DDS, author of If Your Mouth Could Talk — meaning bacteria have a shockingly direct route into your bloodstream.
Your Mouth Is Talking to Your Heart and Brain
Here's where it gets harder to ignore. Regular flossing is associated with reduced risk of dementia, Alzheimer's disease, stroke, and cardiovascular disease. One study of over 5,000 older adults found that people who never flossed had a 30% higher mortality risk compared to daily flossers. The culprit behind many of these connections is a bacterium called Porphyromonas gingivalis — it causes gum disease, and it has been found in both arterial plaque associated with heart attacks and in the brain tissue of Alzheimer's patients. "If you don't floss, it can enter the bloodstream and lead to blood vessel inflammation, damage, and tiny blood clots," warns Jennifer Timmons, MD, a longevity physician and founder of Timmons Wellness. She's careful to note these are strong correlations, not proven causations — but the pattern is consistent enough to pay attention to. Chronic gum disease also triggers systemic inflammation, and inflammation, as we know, is implicated in nearly every major chronic disease category.
If you're going to make flossing a real habit, Dr. Hoss recommends doing it at night — you're closing your mouth for eight hours, and clearing that bacterial load before bed matters more than a post-breakfast session. His preference is traditional string floss over picks or water flossers, which can't reach effectively below the gumline. Technique matters too: curve the floss into a C-shape around each tooth and move it up and down, not just back and forth.
Heart disease is still the leading cause of death in the United States. Dementia quietly dismantles quality of life long before it ends it. If one ninety-second nightly habit has even a modest effect on either — it belongs in your routine, no question.
Read the original at SELF.
