A combination of videography, machine learning, and brain imaging has identified facial expressions and neural activity patterns in mice that are associated with their emotions.

Only an equal mixture of THC and CBD has been adequately tested, and it failed to alleviate pain in cancer patients.

An experimental tissue engineering treatment that addresses damage at both the inner core and outer ring of sheep intervertebral discs improves spinal structure and function.

The findings could represent a novel mechanism for relieving inflammatory pain.

THC, the psychoactive ingredient of cannabis, improved symptoms associated with the inflammatory disease in a mouse model.

The Penn State University scientist was known for her work on fish’s perception of pain.

Researchers identify changes to a pain receptor and to an ion channel that appear to enable the rodents to colonize otherwise inhospitable burrows.

The glia seem to make up part of a newly described sensory organ, the discoverers suggest.

Recent reports of babies born with opioid withdrawal symptoms after their mothers used kratom during pregnancy have generated much concern about the medicinal herb.