10/20/2026
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Your mouth isn't supposed to be sterile. π¦
How your good bacteria protect you:
β’ Streptococcus salivarius & S. sanguinis crowd out harmful species, release natural antimicrobials and help buffer acid
β’ Rothia, Neisseria & Veillonella turn nitrates from leafy greens and beets into nitric oxide, which helps relax blood vessels and support healthy blood pressure
β’ You swallow about a liter of saliva a day: your oral biome helps seed your gut biome
The troublemakers: Streptococcus mutans (cavities) and P. gingivalis, T. denticola & T. forsythia (gum disease).
β οΈ Antiseptic mouthwash doesn't pick sides. In a 2013 study, one week of chlorhexidine rinse lowered oral nitrite and raised blood pressure (Kapil et al., Free Radical Biology & Medicine). In a 2020 study, using mouthwash twice a day or more was linked to a higher risk of developing hypertension (Joshipura et al., Blood Pressure).
Other biome disruptors:
β’ Frequent sugar & constant snacking
β’ Alcohol/antiseptic rinses
β’ Antibiotics
β’ Mouth breathing & dry mouth (including from medications)
β’ Smoking & va**ng
β’ Stress & poor sleep
Bacteria light the match; your terrain decides if it becomes a candle or a wildfire.
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Ask about oral microbiome testing, link in bio.