Year-round allergies are often triggered by indoor allergens like pet dander, which easily sticks to surfaces and spreads. Mold, another common indoor allergen, thrives in damp areas with not ...

Background: Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and mortality. Although the main risk factor is smoking, 15–19% of COPD even in smokers has been attributed to ...