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Risk Factors for Asthma
by Michelle Badash, MS
A risk factor is something that increases your likelihood of getting a disease or condition.
It is possible to develop asthma with or without the risk factors listed below. However, the more risk factors you have, the greater your likelihood of developing asthma. If you have a number of risk factors, ask your doctor what you can do to reduce your risk.
Risk factors for asthma include:
It has been noted that asthma tends to run in families. People whose immediate blood relatives have asthma are more likely to develop the disease.
Genes and your environment play a role in the development of asthma. When asthma runs in families, genetic factors play a relatively large role. When asthma does not run in families, the genetic influence may not be as significant as the environmental exposures.
The following medical conditions increase your risk of developing asthma:
Although asthma can develop at any age, the majority of cases are found in children between the ages of 2-17.
Exposure to Toxins
Frequent exposure to the following potential toxins increases your risk of developing asthma:
Asthma affects people of all ethnic backgrounds. However, it is slightly more common in blacks and Hispanics than in whites.
Asthma symptom, causes & risk factors. American Lung Association website. Available at:
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Accessed September 8, 2017.
Asthma in adults and adolescents. EBSCO DynaMed Plus website. Available at: http://www.dynamed.... Updated February 22, 2017. Accessed September 8, 2017.
Asthma in children. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T500326/Asthma-in-children. Updated April 6, 2017. Accessed September 8, 2017.
Last reviewed September 2017 by EBSCO Medical Review Board Michael Woods, MD, FAAP
Last Updated: 8/14/2015
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