Your likelihood of suffering from asthma could depend on your zip code, and children in particular are at risk.
Asthma can easily be associated with genetics, but recent studies show that living conditions are also a contributing factor.
According to the National Medical Association children living in poverty are 60-percent more likely to have asthma than children whose families have higher incomes.
"Yeah, we would love to have hard wood floors so you don't have so much carpet, so you don't have so much of the dust mite problem. You know, those kind of things are harder to do if you don't have to proper means to do them," said Pediatric allergist Dr. Kenneth. "Whereas some of the affluent families, yeah, they can do those things, get those things done"
NBC's Dateline will have more on this topic.
"Breathless" airs this Sunday night at 7 p-m, on WEEK.