What Are the Different Types of Asthma?

How Common Is Allergic Asthma?

Asthma and Osteoporosis Risk

Asthma comes in a variety of different types. Watch pulmonologist Harish Murthy, MD, discuss how allergies, infections, cigarette smoking, exercise and acid reflux can all cause asthma.

Medically reviewed in December 2020.

How Common Is Allergic Asthma?

Asthma and Osteoporosis Risk

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What Is an Asthma Attack?

Anatomy of an Asthma Attack

A pulmonologist explains what’s happening in the airways during an asthma attack, and what you can do about it.

Asthma and Osteoporosis Risk

Learn about the association between asthma and osteoporosis, a disease that causes thinning of the bones.

6 Important Questions About Asthma

What happens during an asthma attack and what does it feel like? Here’s what you should know.