We humans have gotten hurt, been in pain and suffered since time immemorial. But to this day we still don't really know how pain works in our bodies. To map the pathways of pain inside us – and help cure everything from chronic pain to headaches – Håkan Olausson's team at Linköping University is measuring different pain impulses. Olausson and his research team has discovered that pain signals travels much faster than previous known and that pain fibers are everywhere in the body.