What is asthma? Asthma is a lung condition that can make your airways swell, narrow, and fill with mucus. "This causes recurrent episodes of coughing, wheezing, and chest tightness," says Dr ...

No one really knows what causes asthma, but doctors have identified at least 10 known triggers including allergies, food additives, and more. Learn more about asthma triggers at WebMD.

Asthma is a chronic lung disease that causes the airways to become inflamed and narrowed, making breathing difficult. An estimated 262 million people worldwide live with asthma, which can affect ...

A combination of genetic, environmental, and lifestyle factors causes asthma. It can be triggered by various allergens, poor air quality, and weather, among other things.

Eosinophilic asthma is a type of asthma that’s hard to manage and usually happens in adults. Learn what it is, how it’s different from other types of asthma, and what causes it.

While the exact cause of asthma is unknown, certain genetic factors can increase the risk of developing the disease. Nearly 1 in 10 Americans have asthma. Here's what causes it.

University of Chicago. (2025, April 10). Better tools when searching for genetic causes of asthma. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 04 ...

Following a period of heavy wildfire smoke in Ontario, daily ED visits for asthma-related causes rose and stayed up for ...

Examples of Occupational Asthma. There are two common causes of occupational asthma: irritant reactions or "irritant-induced occupational asthma" (II-OA) and "sensitizer-induced occupational ...

The causes of childhood asthma include many things like environmental exposure, smoke, respiratory infections, and more. Effective treatment is important.

Nearly 26 million people in the United States have asthma. That’s about 1 in 13 people. Rates are highest in the Black, Hispanic, and American Indian/Alaska Native populations.

Asthma is a chronic lung condition that causes breathing difficulties, wheezing, and chest tightness. Some people with asthma use yoga as part of their treatment plan. Yoga is a practice that ...