Touch a hot plate and your hand flies back. While the response is almost instant, researchers are still working to better understand the molecular mechanisms behind these sensations of heat and pain.

A new study from Indiana University scientists may aid the pharmaceutical industry in better understanding a popular over-the-counter pain reliever: Tylenol. Michaela Dvorakova, a postdoctoral ...

Opioids slot into opioid receptors and activate them. This sends signals to your brain to relieve pain and promote pleasure. Both endogenous opioids, which your body naturally produces, and exogenous ...

This thermal image of the body highlights a region that contains common trigger points. We don’t know exactly how trigger points form but it is thought to be associated with chronic stretch or ...

COLUMBUS, Ohio – Hotter temperatures may render natural insect repellents less effective against mosquitoes, according to a new study. Researchers found that a pain receptor called TRPA1 becomes less ...