The causes of chronic asthma include respiratory viral infections, house dust mites, pollens, air pollution, stress, anxiety, fumes, sudden exertional activities, etc.” Dr Vivek Nangia explained ...

Triggers are different for every person with asthma but may include allergens such as dust and pollen, poor air quality and over-exertion, such as rigorous exercise. Wintertime exposes the asthma ...

Exertion made him gasp for breath ... The G.I.s called it “Yokohama asthma and were almost right. It is not confine to Yokohama, but to port cities like it-ringed around by hills, with varied ...