Your cat may be one of your best friends. But cats can also be a major source of asthma triggers, such as dead skin (dander), urine, or saliva. Breathing in any of these allergens can trigger ...

By reducing excess fabric, you’ll eliminate surfaces that can trap fur and dander. To keep cat allergens low, Forté recommends deep-cleaning at least monthly, if not every other week.

It can be bits of fur and shed skin called cat dander. “The immune system evolved to protect the body,” Johnson said. “For allergies, it does that with mast cells, which are found throughout ...