Have you ever woken up in the morning to find that you still have neck or back pain, even weeks after first getting hurt? Your doctor may advise you to seek help when pain is chronic, but just what makes your type of pain chronic to begin with? According to the National Institutes of Health, chronic pain refers to any pain that lasts longer than 12 weeks. This type of pain can be brought on by a medical condition, or after you’ve been injured at work or in a car accident. Read more in this infographic.