GREENSBORO, N.C. — Spicy food, cigarette smoke, and cold air. They all have one thing in common, they can make your nose run. But why? Well, it means your body is working right. “The purpose of the ...

Breathing is subconscious. We don’t have to think about it — it just happens. But when we exercise, many of us become more aware of it than we normally are — sometimes thinking about every breath we ...