English example sentences with "melatonin"

The pineal gland secretes melatonin.
Translate from English to Spanish

Chief among them, says Buchanan, is melatonin, a hormone stimulated by darkness to play a key role in regulating the sleep-wake cycle and cell division. Scientists say reduced melatonin production is a likely factor in the significantly higher cancer rates in night workers, and they propose that modern night lighting contributes to the larger incidence of some cancers in the industrial world.
Translate from English to Spanish

Melatonin helps to regulate circadian rhythms.
Translate from English to Spanish