Hormone Linked To Asthma In Obese People, Columbia University Study

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Leptin, a hormone that affects energy metabolism, fertility, and bone mass, also regulates airway diameter. The finding could explain why obese people are prone to asthma. Researchers say the results suggest that asthma associated with body weight may be relieved with medications that inhibit signaling through the parasympathetic nervous system, which mediates leptin function. The study, conducted in mice, was published in the online edition of the journal Cell Metabolism.

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