Genes increase asthma risk, environment affects severity. Puerto Rican children have high asthma rates due to environmental factors.
Genes increase the risk of asthma, but environment plays a crucial role in the severity of cases. Rates of asthma are not lower for Puerto Rican children; in fact, Puerto Ricans have one of the highest lifetime asthma rates, with a prevalence of 34% in some cases. Factors contributing to asthma disparities include ethnic backgrounds, environmental exposures, and access to healthcare.
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