News tagged with pain receptors

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 ...

Jan 07, 2014
3.5 / 5 (2) 0

Do fish feel pain?

Fish do not feel pain the way humans do. That is the conclusion drawn by an international team of researchers consisting of neurobiologists, behavioural ecologists and fishery scientists. One contributor ...

Aug 09, 2013
4.2 / 5 (13) 12

Putting the fire out with light

Chili peppers contain an activator of heat-sensitive pain receptors. An LMU team has now converted an antagonist to the compound into a light-sensitive regulator of such receptors that can differentially ...

Jul 25, 2013
4.8 / 5 (4) 0 | with audio podcast

Researchers block morphine's itchy side effect

Itching is one of the most prevalent side effects of powerful, pain-killing drugs like morphine, oxycodone and other opioids. The opiate-associated itch is so common that even women who get epidurals for labor ...

Oct 13, 2011
5 / 5 (2) 3 | with audio podcast

Study explains why light worsens migraine headaches

Ask anyone who suffers from migraine headaches what they do when they're having an attack, and you're likely to hear "go into a dark room." And although it's long been known that light makes migraines worse, the reason why ...

Jan 10, 2010
4.9 / 5 (11) 2 | with audio podcast

Chili peppers help to unravel the mechanism of pain

Capsaicin, the active ingredient in chili peppers, is most often experienced as an irritant, but it may also be used to reduce pain. A new work published by Drs. Feng Qin and Jing Yao in this week's PLoS Bi ...

Feb 24, 2009
4.7 / 5 (3) 0