What Causes Back Pain and When to See a Doctor Back pain is among the most reported health complaints globally. At least once in life, most people deal with back pain. For a few people the pain is bearable, while in severe cases it disrupts normal activities, rest, and mobility. https://www.diigo.com/item/note/ari1n/g5pb?k=235abe714c2c1b9890793e5fac265ed5