Melatonin exacerbates asthma

Asthma sufferers generally find their condition gets worse at night. Now, a research group may understand why. Melatonin, a sleep hormone that is sometimes prescribed to treat insomnia, exasperates the constriction of the bronchus—the pathway that moves air to and from the lungs.

source https://medicalxpress.com/news/2021-12-melatonin-exacerbates-asthma.html