Health experts caution that frequent use of antibacterial mouthwash may raise blood pressure by eliminating beneficial oral bacteria that produce nitric oxide, a molecule that relaxes blood vessels and supports cardiovascular health.
The study, reported by Times Now, explains that while daily mouthwash use may seem refreshing and beneficial, it can silently affect blood pressure. Pursuing near-total oral cleanliness could have unintended effects on heart health.
Researchers also highlighted that alcohol-containing mouthwashes may raise the risk of oral cancer and disrupt the natural oral microbiome, allowing harmful bacteria to thrive, which is associated with gum disease and other chronic conditions. Experts recommend cautious use of mouthwash, prioritizing traditional brushing and flossing, and consulting a doctor if needed.
How Mouthwash Affects Oral Bacteria
The mouth hosts both harmful and beneficial bacteria. Beneficial bacteria convert dietary nitrates from leafy greens like spinach and beetroot into nitric oxide, which relaxes blood vessels and improves circulation.
Powerful antiseptic mouthwashes cannot distinguish between harmful and beneficial bacteria, killing those responsible for nitric oxide production. Without sufficient nitric oxide, blood vessels struggle to relax properly, potentially leading to elevated blood pressure.
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