Respiratory illnesses like common cold, flu rise in winter: here's why

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Moreover, viruses tend to live longer in cold weather, especially during November and the end of February...

Respiratory illness cases see an uptick during winter..

Dr Akshay Budhraja, Senior Consultant, Respiratory and Sleep Medicine, Aakash Healthcare, told IndiaToday.In that people who have chronic respiratory diseases like asthma, COPD (chronic obstructive pulmonary disease), and Allergic Rhinitis or ILD, experience acute attacks and worsening of their respiratory symptoms because of dry air...

"Cold and dry air along with pollutants, irritates the respiratory passage as well as lowers immunity, the respiratory passage also becomes hyperresponsive, leading to increased mucus production, spasms and clogging of airways that cause difficulty in breathing," said Dr Akshay Budhraja...

Besides this, cold air decreases a person's defence mechanism against fighting viruses, suggested Dr Neetu Jain, senior consultant of pulmonology, critical care and sleep medicine at PSRI Hospital...