The Science Behind Why Do We Cough When Sick—And Why It’s Smarter Than You Think
The first cough rattles through your chest like a warning bell. It’s sudden, involuntary—a body slamming the brakes on an invasion. You might dismiss it as an irritation, but that cough is a high-stakes negotiation between your nervous system and pathogens. It’s not just a symptom; it’s a survival tactic, honed over millions of years … Read more
