ABC News Medical Editor Dr. Tim Johnson welcomes you to the OnCall+ Asthma Center with easy-to-use advice on this vast resource.
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What Is Asthma, Common Symptoms?
Dr. Carlos Camargo answers the question: 'What Is Asthma, Common Symptoms?' -
Important Risk Factors For Asthma?
Dr. Aaron Waxman answers the question: 'Important Risk Factors For Asthma?' -
Does Air Pollution Affect Asthma Risk?
Dr. David Peden answers the question: 'Does Air Pollution Affect Asthma Risk?' -
Does Breastfeeding Affect Asthma Risk?
Dr. Bollinger answers the question: 'Does Breastfeeding Affect Asthma Risk?' -
Is There A Gene That Causes Asthma?
Dr. Wayne Morgan answers the question: 'Is There A Gene That Causes Asthma?' -
Is There A Genetic Test For Asthma?
Dr. Timothy Craig answers the question: 'Is There A Genetic Test For Asthma?' -
Do Some Exercises Help Prevent Asthma?
Dr. Parsons answers the question: 'Do Some Exercises Help Prevent Asthma?' -
What Tests Are Used To Diagnose Asthma?
Dr. Bochner answers the question: 'What Tests Are Used To Diagnose Asthma?' -
Diagnosing Exercise-Induced Asthma?
Dr. Hagaman answers the question: 'Diagnosing Exercise-Induced Asthma?' -
Standard Treatment Strategy For Asthma?
Dr. Wasserman answers the question: 'Standard Treatment Strategy For Asthma?' -
Can I Asthma-Proof My House?
Dr. James Li answers the question: 'Can I Asthma-Proof My House?' -
Taking Medicine Without Asthma Attack?
Dr. Harold Nelson answers the question: 'Taking Medicine Without Asthma Attack?' -
What Is A Nebulizer?
Dr. Cori Daines answers the question: 'What Is A Nebulizer?' -
Can Kids With Asthma Stop Daily Meds?
Dr. Stanley Szefler answers the question: 'Can Kids With Asthma Stop Daily Meds?
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WATCH: Asthma: The Attack
What causes an asthma attack? -
WATCH: Living With Asthma
Meet a mother whose entire family has asthma, including herself. -
WATCH: Taking Your Breath Away
How common household triggers can make your asthma worse. -
WATCH: Breathing Easy
How asthma is diagnosed and treated. -
WATCH: Throw Away Your Old Inhalers
Why the FDA is banning CFC inhalers. -
WATCH: Are You Inhaling?
How improper inhaling could increase your asthma attack risk.
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Asthma Stories & Video From ABC News
Articles and videos about asthma from ABC News. -
WATCH: Asthma and Gender Differences
A new study on adolescents with asthma yields surprising results. -
Asthma's Course Differs by Gender
By puberty, condition may be passing phase in boys, but more permanent in girls, study says. -
Babies: Blame Mom for Allergies, Asthma
New research suggests that a mother's environment can affect her unborn child. -
The Most Polluted U.S. Cities
Pittsburgh Beats Out Los Angeles as U.S. City With Worst Air Pollution -
Breathe Easy: New Asthma Guidelines
Some doctors say the 400-page guide will improve clinical practice. -
WATCH: Dust Mites and Asthma Attacks
Research indicates that products aimed at tackling mites may not be worthwhile. -
No Escape From Microscopic Creatures
A study in Denmark found dust mite products don't work, yet doctors disagree.
Welcome to the ABC News OnCall+ Asthma Center! Find answers to the most pressing questions on asthma answered by the nation's top medical experts from the country's most prestigious medical centers.
SEARCH
- Is It True That Certain Types Of Jobs Might Increase My Risk Of Developing Asthma?
- What Is The Link, If Any, Between Depression And Asthma?
- Do Pets Make My Child's Asthma Worse?
- How Can I Tell The Difference Between A Heart Condition And Asthma?
- Is It True That Some Exercises Can Help Prevent Asthma?
- Arkansas Children's Hospital, Little Rock, Ark.
- Duke University Medical Center, Durham, N.C.
- National Jewish Medical and Research Center, Denver, Colo.
- Penn State Milton S. Hershey Medical Center, Hershey, Pa.
- Thomas Jefferson University, Philadelphia, Pa.
- University of Arizona College of Medicine, Tucson, Ariz.
- University of California at San Diego, La Jolla, Calif.
- University of Maryland School of Medicine, Baltimore, Md.
- University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, N.C.
- Vanderbilt Medical Center, Nashville, Tenn.
The contents of this site are for informational purposes only and are not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this site.

