Only four weeks of shift work-like patterns in female mice are enough to disrupt their biological clock and reduce fertility, according to research presented at the 25th European Congress of ...

If you have ever sat in a quiet room with a wall clock nearby, you have probably noticed the steady tick-tock rhythm. It is such a common sound that most people barely notice it, yet the reason behind ...

Dear Amy: I am a woman about to turn 35 years old. I have been with my boyfriend for a year and a half. He is a wonderful, caring and nurturing man who will stick with me through thick and thin. He’d ...