If you have belly pain and you've lost some weight lately, one possible reason is a condition called MALS. The full name of this rare problem: median arcuate ligament syndrome. It's the pressure from ...

Unfortunately, this approach requires brain surgery, with doctors drilling into the patient's skull to implant tiny devices that deliver mild electrical pulses. But a new ultrasound helmet might be ...

Ultrasound has long been used for helping doctors see inside the body, but focused high frequency sound waves are offering new ways of targeting cancer. If Zhen Xu hadn't annoyed her lab mates, she ...