Why do so many people catch a cold when the weather changes? Dr. Jamal A. Khan

Why do so many people catch a cold when the weather changes? It’s not the cold air itself — it’s how seasonal shifts affect your nasal immunity and help viruses survive and spread. Dr. Jamal A. Khan explains the real science behind seasonal colds and why common cold causes massive global productivity loss every year. Understanding the science helps you protect your immunity better. seasonal coldwhy weather change causes coldcommon cold scienceviral infection explainedimmune response nosemucus membrane infectioncold virus survivalwinter illnessrespiratory virus spreaddr jamal a khan #CommonCold#SeasonChange#ViralInfection#ImmuneSystem#HealthEducation#DrJamalAKhan