An experimental implant is giving some high blood pressure patients success. Doctors surgically implant the device near the collarbone.
Wires carry electrical signals through the carotid arteries to the brain.
The brain responds by telling the heart to slow down, blood vessels to relax, and kidneys to reduce fluids in the body.
To learn more about the clinical trial, go to the related link to this story, then type the trial identification number in the search box: NCT00442286.
