A new tiny, wireless device can record the activity of a single neuron in the brain. It could help in the fight against neurodegenerative diseases.

When tested with people with easy-to-access veins, a blood-drawing robot had a 97% success rate. That's just as good and even better than phlebotomists.

The polymer has many potential uses, including powering pacemakers without needing new batteries and keeping street lights on with energy from passing cars.

"We want to provide a reliable, patient-friendly and affordable way to treat the millions of people with swallowing disorders."

Researchers have discovered an association between the use of Impella heart pumps and an increased risk of bleeding, kidney problems, stroke, and death.

A self-administered radiation blood test would take some burden off medical systems after a nuclear attack or disaster.

"For everything we envision people needing or wanting to do to become independent... they really need two hands working together."

Older adults who get hearing aids for newly diagnosed hearing loss have a lower risk of dementia, depression, and anxiety diagnoses over the next three years, research finds.

A cheap way to print sweat sensors onto rolls of plastic is another step toward replacing blood draws with wearables.

Researchers are developing a wearable device, something like an insulin pump, to detect and treat opioid overdoses with naloxone.