The robotic-surgery leader has lost nearly a third of its value since January. Here's what's weighing on the stock.

New paper-thin piezoelectric patch sensors designed for at-home stroke rehabilitation may soon revolutionize post-stroke care ...

In the 10 years she spent as an optician, Sandra Weber helped people find the right glasses to fit their faces and assist with their eyesight. Towards the end of her time at the job, pain in her thumb ...

Surgery is a procedure in which incision and physical manipulation are used to treat a patient with an injury or a disease. The patient's tissues are cut during this technique to permit the ...