Your Saliva.
Your Health.
I'm Dr. Neusha Najafi — a dentist and oral-systemic health educator helping people understand how oral health impacts fertility, pregnancy, heart health, and inflammation. Your oral health is a window into your systemic wellness.
Start Your Screening Explore Health TopicsDr. Neusha Najafi
Dr. Neusha Najafi is a dentist, educator, and founder of DoctorSaliva, dedicated to uncovering connections between oral health and whole-body wellness. With a clinical focus on how oral bacteria influence fertility, pregnancy, heart health, brain health, and chronic inflammation, she's bridging the gap between dentistry and medicine through salivary diagnostics.
Oral health is the gateway to systemic wellness.
At Doctor Saliva, we believe your oral health holds critical clues to your overall well-being. Saliva isn't just spit — it's a diagnostic window into your systemic health. Bacteria linked to gum disease can travel through the bloodstream and play a role in heart health, pregnancy outcomes, memory, and even cancer.
Your oral microbiome is a window
into your whole body.
When most people think about oral health, they think about teeth and gums. But oral health is about more than teeth and gums — it's deeply connected to your systemic wellness.
Bacteria
11 bacteria that scientists keep a close eye on — and the health issues they're connected to beyond gum disease.
Learn about oral bacteriaWomen's Health
The unique connections between oral health and hormonal changes, including menopause, bone density, and autoimmune conditions.
Learn about women's oral healthFertility & Pregnancy
Oral pathogens like Fusobacterium nucleatum have been found in placental tissues. Salivary screening before conception may identify modifiable inflammatory drivers.
Learn about fertility and oral healthTeens
Adolescent oral health habits set the foundation for lifelong systemic health. Early screening can catch microbial imbalances before they compound.
Learn about teen oral healthHeart Health
The bacterial pathways that connect gum infections to cardiac events. Oral bacteria are showing up in artery walls — and that changes prevention.
Learn about oral health and heart diseaseBrain & Memory
Neuroinflammatory pathways linked to oral pathogens are being studied for their role in cognitive decline and Alzheimer's disease.
Learn about oral health and brain functionCancer
Specific oral bacteria, including Fusobacterium nucleatum, have been found in colorectal tumor tissues, opening new frontiers in cancer prevention research.
Learn about oral bacteria and cancer riskThe 11 bacteria that affect more
than just your mouth.
Did you know the bacteria in your oral microbiome don't just stay there? Research shows that certain periodontal pathogens can enter the bloodstream and play a role in heart health, pregnancy outcomes, memory, and even cancer.
Aggregatibacter actinomycetemcomitans
(Aa)Origin: Gum Disease
Porphyromonas gingivalis
(Pg)Origin: Gum Disease
Tannerella forsythia
(Tf)Origin: Gum Disease
Treponema denticola
(Td)Origin: Gum Disease
Fusobacterium nucleatum
(Fn)Origin: Gum Disease
Prevotella intermedia
(Pi)Origin: Gum Disease
Campylobacter rectus
(Cr)Origin: Gum Disease
Eubacterium nodatum
(En)Origin: Gum Disease
Parvimonas micra
(Pm)Origin: Gum Disease
Peptostreptococcus anaerobius
(Pa)Origin: Gum Disease
Eikenella corrodens
(Ec)Origin: Gum Disease
We'd love to hear from you.
Whether you have questions about the oral-systemic connection, want to learn more about salivary diagnostics, or need guidance on getting started — we're here to help.