The animals adopt the emotional state of their cagemates, and the parts of the brain engaged during the process are different for pain and fear, according to a new study.

Scientists uncover the promise of mesenchymal stem cells (MSCs), also known as medicinal signaling cells, to modulate the immune system and regenerate tissue.

Affectionate touches tap into the nervous system’s rest and digest mode, reducing the release of stress hormones, bolstering the immune system, and stimulating brainwaves linked with relaxation.

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.

The expression of a slew of genes in psychiatric patients closely tracks pain intensity and predicts future emergency room visits, according to a study.

Men’s pain tolerance decreases when exposed to a setting where they’ve previously had a painful experience.

From cellular self-digestion to the effects of exercise on the brain, our features editor picks her favorite art custom-made for the magazine.

In a condition called mechanical allodynia, when everyday activities exact misery, the same neurons that ordinarily transmit normal touch are involved in feelings of pain.

Expressions of pain and orgasm are distinguishable, study finds.

Aimovig will soon be available for individuals who have four or more migraines a month.

Researchers silence pain neurons in the mouse spinal cord with injections of botulinum toxins modified to bind to the neurons’ receptors.