Find out the underlying medical reasons for breathing difficulties associated with asthma. Helpful for understanding the definition of asthma and different manifestations.

Find out the definitions of asthma types that are non-allergic and allergic. Also includes a self-assessment quiz to help you pinpoint allergic triggers.

Learn how the lungs work and what happens during an asthma attack with this neat animation.

Hear one patient's description of living with asthma. Learn about new guidelines emphasizing lifelong management of asthma.

Explains the definition of asthma in simple, clear terms for kids and teens. Covers symptoms, management and common concerns such as playing sports.

Find out the medical definition of asthma in this excellent, comprehensive article on managing the disease in adults.

Use this brief self-assessment quiz to define asthma symptoms and then share the results with your doctor.

Written in straightforward language, this printable booklet explain the definition of asthma, symptoms and disease management.

Watch this video to hear experts explain the definition of asthma and why the disease is becoming more common worldwide.