Dr. Carrie Jose, in her latest Health and Wellness column, explains the difference between piriformis syndrome and sciatica.

Back pain can be caused or worsened by ligament or muscle sprains that often result from poor posture, lack of exercise, ...

"I have piriformis syndrome, so it's a muscle that kind of clamps down on my sciatic nerve, and it was shooting down my leg," she told Barrymore, 49. "I thought I was going to have to have hip ...