Medical research

How does the brain process heat as pain?

The world has changed since 1664, when French philosopher and scientist Rene Descartes first claimed the brain was responsible for feeling the sensation of pain.

Neuroscience

Researchers identify osteoarthritis 'pain pathway'

Researchers from North Carolina State University have discovered that a particular molecular signaling pathway plays an important role in producing osteoarthritis (OA) pain. Using a mouse model of painful osteoarthritis, ...

Cardiology

Mayo Clinic Minute: Watch for these heart arrhythmia red flags

A heart arrhythmia is an irregular heartbeat. It occurs when the electrical signals that tell the heart when to beat and pump blood aren't functioning properly. Some heart arrhythmias can be harmless and just bothersome, ...

Neuroscience

Brainstem pathway modulates pain in placebo effect

It's not all in your head, but your expectations can sway your perception of pain intensity. Information about expectations—the driver of the placebo effect—travels from the cortex to groups of cells in the brainstem, ...

Medical research

Chili peppers and hugs: What inspired Nobel medicine winners

David Julius was browsing a supermarket aisle filled with chili pepper sauces when he turned to his wife, a fellow scientist, and said he thought it was time he finally solved how certain chemicals cause the sensation of ...

Neuroscience

Neuroscientists advance understanding of pain from light touch

Researchers from the Pittsburgh Center for Pain Research at the University of Pittsburgh School of Medicine announced today in the journal Neuron that they've uncovered additional complexities behind mechanical allodynia—the ...

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