Back Pain: Common Causes and When Medical Help Is Needed Back pain is one of the most common health problems today. Almost everyone experiences it at some point in life. In some cases the discomfort is light, while in severe cases it disrupts normal activities, rest, and mobility. Understanding Back https://www.diigo.com/item/note/ari1n/g5pb?k=235abe714c2c1b9890793e5fac265ed5