Sinus problems arise when air‑filled cavities around the nose and eyes become blocked or inflamed, leading to symptoms like congestion, headaches, facial pressure, and difficulty breathing. Effective sinus care involves a multi‑pronged approach: xylitol‑based nasal products help moisturize passages and inhibit bacterial growth; nasal sprays (saline, medicated, or natural) reduce swell... https://justpaste.me/mxms3