In Florida, cockroach allergens are a hidden trigger for asthma...

https://highstylife.com/why-do-roaches-hide-in-wall-cavities-and-appliance-motors/

In Florida, cockroach allergens are a hidden trigger for asthma sufferers—sticking around long after the roaches have left. These allergens can linger in your home’s nooks and crannies, quietly affecting air quality