A single dose of either bivalent or nonvalent HPV vaccine was just as protective as the standard two doses of either vaccine ...

In the quest for a good night's sleep, many turn to melatonin, a hormone that naturally regulates the sleep-wake cycle. As an over-the-counter supplement, it's readily available, but understanding the ...

Melatonin is a hormone that regulates your sleep-wake cycle. Some research shows melatonin supplements might promote modest ...

Please provide your email address to receive an email when new articles are posted on . Between dose groups, there was no difference in the outcomes, including progression of hair loss. Patients ...