What is a blood clot? Blood clots normally form after an injury to protect your body from losing too much blood, but they can ...

A bruise forms when small blood vessels under the skin break after an injury, causing blood to pool and discolour the area. While most bruises are harmless, deeper injuries can sometimes lead to blood ...

Pulmonary embolism (PE), a type of blood clot in the lungs, sends more than half a million people to U.S. hospitals each year—and kills about one in five high-risk patients, according to the American ...

Inflammatory bowel disease, in which the immune system attacks the gut, is a painful chronic condition that affects three million Americans. Rates of IBD are rising, and there’s currently no cure. IBD ...

Stanford mechanical engineer Renee Zhao is developing new devices to treat disease – like a tiny robot that can travel ...