
Most patients with asthma carry a type 2 inflammatory signature, and the sickest fifth of them account for the bulk of an $80 billion annual burden.

Most patients with asthma carry a type 2 inflammatory signature, and the sickest fifth of them account for the bulk of an $80 billion annual burden.

Asthma costs extend well beyond the emergency department, into lost schooling, reduced earning potential, and steroid harm, which sharpens the case for recognizing uncontrolled disease and escalating care promptly.