Sunlight activates hormones essential for mood, sleep and reproductive health — that’s why it’s important to go outside when ...

Progesterone is a hormone that supports menstruation and pregnancy. It typically rises during pregnancy and while using some birth control medications. Low levels can affect menstruation and fertility ...

Ever wonder why you feel like crying over a pet food commercial one day but can watch a tearjerker movie completely unfazed the next? Or why your weight seems to fluctuate despite eating the same ...

There are more than 50 hormones that regulate key processes—if levels fall too low or rise too high, there can be disruptions to systems throughout the body. While different hormone imbalances have ...