Neuroscience

Researchers discover the brain cells that make pain unpleasant

If you step on a tack, neurons in your brain will register two things: that there's a piercing physical sensation in your foot, and that it's not pleasant. Now, a team of scientists at Stanford University has identified a ...

Genetics

Scientists identify method to study resilience to pain

Scientists at the Yale School of Medicine and Veterans Affairs Connecticut Healthcare System have successfully demonstrated that it is possible to pinpoint genes that contribute to inter-individual differences in pain.

Medications

Pain relief at a lower opioid dose

A team of researchers at Johns Hopkins have found that activating nerve cell receptors along two chemical pathways—one that has previously been linked to how the brain senses "itch"—may improve pain relief when combined ...

Diabetes

Diabetes-associated pain linked to disrupted insulin signalling

The chronic pain experienced by a number of patients with diabetes has widely been assumed to originate from damage to blood vessels or to local tissue surrounding neurons caused by high blood-sugar levels. However, a new ...

Neuroscience

Being hungry shuts off perception of chronic pain

Pain can be valuable. Without it, we might let our hand linger on a hot stove, for example. But longer-lasting pain, such as the inflammatory pain that can arise after injury, can be debilitating and costly, preventing us ...

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