A rare cell type in the lungs is essential to survival from the COVID-19 virus, a new study shows.

The Asthma Exacerbation Comorbidity Index assesses comorbidities linked to a poorer prognosis in hospitalized patients with asthma exacerbations.

HealthDay News — Early-life ozone (O 3) exposure is associated with asthma and wheeze outcomes at 4 to 6 years of age, according to a study published online April 2 in JAMA Network Open.