Night shift workers who took melatonin supplements before sleeping during the day showed signs of improved DNA repair, according to a new randomized controlled trial published in Occupational & ...

Hormonal imbalances can affect everything from stress levels and menstrual cycles to bloating. But how exactly do hot summer ...

We started with this hormone, given the wide-reaching impact it has on health.” Here’s a look at how the test works — and how to improve cortisol levels. Cortisol is made and released by the adrenal ...

If you've ever traveled through multiple time zones, you've likely experienced the effects of jet lag in at least some ...