Bethesda -
Researchers have found the molecule that delivers itchiness signals to the brain. This is via a dedicated, and previously unknown, neural pathway.
Scientists have carried out a study whereby cells from human urine have been manipulated into cells that resemble the types of neurons found in the brain.
New research, which studied the brains of piano tuners compared to the brains of other people, showed that piano tuners have different and more complex neural pathways.