Asthma: Diagnosis|Symptoms|Allergy - MSN Health & Fitness

Asthma News

World Trade Center Workers Twice as Likely to Have Asthma
Rising Heat, Humidity Raise Risk of Asthma Flares
Gene 'Switch' May Help Drive Excess Fluid in Lungs
Chlorine in Pools Raises Kids' Asthma, Allergy Risk

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Common Questions

What Triggers Asthma?
When Should I Call a Doctor?
How Do Inhalers Work?

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asthma trigger points

At-Home Asthma Triggers
Limit Attacks Caused By Cold or Flu
Health Tip: Asthma & Pregnancy
Which Type of Inhaler?

What is asthma?

Asthma causes swelling and irritation in your airways, making it hard for you to breathe. You may have asthma attacks often or only now and then. They can be mild or severe. Even though asthma is a lifelong disease, treatment can control it and allow you to live an active life.