The Oral and Nasal Gateway Microbiomes: Salivaomics and Systemic Health at the Airway-Digestive Interface.

Researchers reviewed evidence that oral and nasal microbial communities—including bacteria, fungi, viruses and salivary components—form a gateway influencing oral, nasal and systemic health through multiple mechanisms including saliva flow, diet and airway interactions.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.