Post
CNN
cnn.com
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Dr. Ellen Foxman remembers her young son struggling to breathe as he battled an asthma attack that tightened his small airways. For any parent, it's a frightening moment – one that has stayed locked in her memory. But for a scientist, that experience sparked a deeper question. https://cnn.it/45JVvRV
2026-02-02T13:26:04.451Z