Bronchitis is inflammation of your bronchial tubes—the airways carrying air to your lungs—usually triggered by viral infection or irritant exposure (smoke, pollution). Your bronchial lining's immune cells respond to infection by releasing inflammatory mediators, causing swelling, increased mucus production, and cough. Acute bronchitis typically follows a cold, while chronic bronchitis involves long-term inflammation from repeated irritation. The organism-as-team view shows your airways mounting defense: epithelial cells lining bronchi detect pathogens and release signaling molecules, immune cells infiltrate to fight infection, goblet cells produce extra mucus to trap and expel invaders, and cilia work harder to clear debris—though inflammation can impair their function. Your cough reflex provides backup clearance when the mucociliary escalator is overwhelmed. Supporting your bronchial team means facilitating their work: staying hydrated keeps mucus thin and easier to expel, humidity soothes irritated airways and improves ciliary function, rest allows energy for immune work, avoiding smoke/irritants reduces additional burden, and breathing exercises improve oxygen exchange while airways heal. You're not passive—you're providing optimal conditions for your respiratory team to clear infection and repair damaged tissue. ⚕️ This protocol does not replace professional consultation.