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Humidity's Hidden Threat: Respiratory Illnesses Soar
20 Nov
Summary
- Elevated humidity and temperature shifts weaken natural airway defenses.
- Stagnant indoor air promotes viral survival and fungal proliferation.
- Antibiotics are often misused; most infections are viral and self-limiting.
Environmental shifts, including high humidity and rapid temperature fluctuations, are significantly contributing to the current rise in respiratory illnesses. These conditions disrupt the body's natural defenses, allowing viruses and bacteria to thrive indoors. Stagnant air and increased dampness exacerbate the problem by promoting the growth of mold and prolonging the survival of airborne pathogens, leading to more frequent colds, flu, bronchitis, and asthma flare-ups.
Pulmonologists highlight that weakened mucociliary clearance, the body's primary defense, makes individuals more susceptible. High humidity above 60-70% extends the lifespan of viruses like influenza on surfaces, while sudden cold air exposure impairs mucous membrane efficiency. Consequently, common indoor spaces are becoming hubs for infection spread, particularly when combined with prolonged indoor crowding.
Specialists are urging a shift away from the frequent misuse of antibiotics, as the majority of these infections are viral. Supportive care such as rest, hydration, and fever reducers is often sufficient. Antibiotics are reserved for confirmed bacterial infections or severe complications. Improving indoor air quality through better ventilation, humidity control, and regular cleaning is presented as a key long-term strategy to mitigate the spread of respiratory ailments.
