Chemists ID possible addiction-free pain reliever

An estimated 1.7 million Americans suffer from substance abuse disorders related to opioid use for pain relief, according to the National Institute on Drug Abuse. This causes an economic burden of more than $78 billion per ...

Study of crabs suggests they are capable of feeling pain

(Phys.org)—A pair of researchers with Queen's University in the U.K. has found via testing, that contrary to conventional thinking, crabs appear to be capable of feeling pain. In their paper published in the journal Biology ...

Fight or flight and the evolution of pain

Hard wired into the survival mechanisms of all animals is the perception of pain. Different stimuli, such as heat or cold, foul odors, chemicals or a blunt blow can trigger pain receptors in the body that, in the blink of ...

Fish may actually feel pain and react to it much like humans

(PhysOrg.com) -- Fish don't make noises or contort their faces to show that it hurts when hooks are pulled from their mouths, but a Purdue University researcher believes they feel that pain all the same.