Asthma Risk - Who & Why?
One of the more frequent questions my patients ask me concerns the relative risk of their child developing allergies or asthma. In previous Doctors' Views, I have raised issues relating the environment to the development of allergies or asthma. However, both a genetic predisposition and environmental/lifestyle factors are necessary for these conditions to develop.
The incidence of asthma has risen dramatically in the past 20
What role then does genetics (heredity) play in asthma? A genetic link in asthma has long been suspected primarily due to "clustering" of cases within families and in identical twins. This does not prove a genetic cause, since it may also reflect shared environmental exposures. Several studies conclude that heredity increases your chances of developing asthma, particularly if allergies or other allergic conditions are present. Moreover, you may pass this tendency to asthma to the next generation. So, what are the chances that your child will develop asthma?
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