Sardi-Jukam Ka Pura Sach | Causes, Spread, Treatment & Prevention | Dr. Jamal A. Khan

Why do so many people catch a cold when the weather changes? Is it really the cold air — or is there a deeper scientific reason? In this detailed video, Dr. Jamal A. Khan explains: • The real cause of common cold • How viruses attack the mucus membrane • Why seasonal changes reduce nasal immunity • How viral infections spread rapidly • Why antibiotics don’t work for common cold • Treatment options for viral infections • Practical prevention strategies Common cold may seem simple, but it causes massive global productivity loss every year. Understanding the science helps you protect yourself better and avoid unnecessary medication. Stay informed. Strengthen your immunity. common cold science mausam badalne par sardi why weather change causes cold viral infection explained common cold treatment common cold prevention virus attack on nose mucus membrane infection seasonal illness dr jamal a khan #CommonCold #SeasonChange #ViralInfection #HealthEducation #ImmuneSystem #DrJamalAKhan common cold, mausam badalte hi sardi kyun, sardi jukam ka karan, viral infection explained, why weather change causes cold, common cold treatment, common cold prevention, thand se sardi hoti hai kya, virus infection nose, mucus membrane infection, seasonal cold science, immune system and cold, how cold spreads, dr jamal a khan, health awareness india