Asthma doesn't always cause daily symptoms. Some children only wheeze during viral infections, exercise or exposure to certain triggers and may seem completely well between episodes. Learn when occasional wheezing could be a sign of childhood asthma and why proper assessment matters.

Think food is causing your allergies, eczema or asthma to flare? The real trigger may be hiding in your everyday environment. Discover five commonly overlooked factors—from house dust mites and poor sleep to stress, haze and viral infections—and why identifying your personal triggers matters.