Expert Guide: How to Stop Nosebleeds During Cold, Dry Seasons

Each winter, as cold air strips moisture from the world and from us, the body registers the season in small, startling ways — among them, the nosebleed. Doctors at São Paulo's Iamspe institute remind us that this is not misfortune but physiology: dry air weakens the delicate vessels lining the nasal passages, and the most vulnerable among us — children and the elderly — bear the greatest burden. Understanding the body's own clotting intelligence, and working with it rather than against it, is both the cure and the lesson.