Muscle injuries, nerve pain, and kidney inflammation can all cause lower left back pain. Learn about these causes and more.

Lower-back pain affects everyone at some point, but having it on one side may unnerve you. Luckily, there are ways to treat ...

While headaches are common, their occurrence on one side of the head, whether right or left, can sometimes indicate ... by a throbbing or pulsating pain and can be accompanied by symptoms such ...

A week before this past Christmas, and one week after my 26th birthday, I woke up with the worst pain in my upper back and the left ... great for side sleepers, as it supports your head, aligns ...