Pain in the lower back during a period is usually not a sign of a serious medical problem. However, some conditions, such as endometriosis or uterine fibroids, can cause intense lower back pain ...

(Photo Credit: Moment/Getty Images) Here are some common reasons for cramping without your period: What the cramps feel like. You'll notice pain on one side of your lower belly. It lasts a few ...

The Ordovician Period is known for experiencing a large ... The researchers claim the shadow of the new ring system could have led to lower temperatures. As the ring dissipated, the climate ...