Cataract surgery was associated with an increase in melatonin secretion, according to new study findings; melatonin secretion has been linked to depression, diabetes, cognitive impairment, and breast ...

Alterations in the circadian control of melatonin secretion may be related to the development of mood disruption in women with premenstrual dysmorphic disorder (PMDD), according to the findings of a ...

With previous evidence suggesting that melatonin may have a role in glucose metabolism, researchers have found an independent association between decreased secretion of melatonin and an increased risk ...

(HealthDay News) – In women, lower melatonin secretion is independently associated with a higher risk of developing type 2 diabetes, according to a study published published online April 2 in the ...

Domenico Fetti, "Sleeping Girl," circa 1615. Museum of Fine Arts, Budapest Source: Wikimedia Commons/Public Domain. Legendary accounts of those who remain asleep for years fascinate us. There is ...

Hamamatsu, Japan – A groundbreaking study conducted by researchers from Hamamatsu University School of Medicine, in collaboration with several international institutions, has unveiled a critical link ...

Before electricity, humans naturally slept in two phases, waking for an hour or two around midnight for quiet activities.

Melatonin—the so-called 'sleep hormone', has become something of a go-to remedy for those struggling with irregular sleep, jet lag, or late-night screen scrolling. But if you've ever taken a melatonin ...