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Does gender affect asthma?

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More boys than girls have childhood asthma. We don't know why, but some experts find a young male's airway is smaller. Around age 20, the ratio of asthma between men and women is the same. At age 40, more females than males have adult asthma.

From: Asthma Risk Factors WebMD Medical Reference

SOURCES: Smolley, L. , Norton, 1999. Porsbjerg, C. , 2006. Kirkpatrick, G.L. 1996. Weiss, S.T. , 3rd ed., Little Brown, 1993. Litonjua, A.A. 2006. Beuther, D. , April 1, 2007. WebMD Medical News: "Toxins in Dust Raise Incidence of Asthma."  CDC: "Asthma: Risk Factors."







Breathe Right NowChestPrim CareBronchial Asthma Mechanisms and TherapeuticsAm J Clin NutrAmerican Journal of Respiratory and Critical Care Medicine

American Academy of Allergy, Asthma & Immunology: "Atopy."

Reviewed by Carol DerSarkissian on February 28, 2018

SOURCES: Smolley, L. , Norton, 1999. Porsbjerg, C. , 2006. Kirkpatrick, G.L. 1996. Weiss, S.T. , 3rd ed., Little Brown, 1993. Litonjua, A.A. 2006. Beuther, D. , April 1, 2007. WebMD Medical News: "Toxins in Dust Raise Incidence of Asthma."  CDC: "Asthma: Risk Factors."







Breathe Right NowChestPrim CareBronchial Asthma Mechanisms and TherapeuticsAm J Clin NutrAmerican Journal of Respiratory and Critical Care Medicine

American Academy of Allergy, Asthma & Immunology: "Atopy."

Reviewed by Carol DerSarkissian on February 28, 2018

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Is asthma passed down in families?

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