Fractional Exhaled Nitric Oxide Elevated in Pediatric Chest Tightness Variant Asthma

FRIDAY, Aug. 28, 2026-- Children with chest tightness variant asthma (CTVA) have higher fractional exhaled nitric oxide (FeNO) levels and lower parameters of small airway function, according to a study published online Aug. 10 in Frontiers in...