Molecules in urine and blood can reveal how much of a person’s diet comes from ultra-processed foods, according to a study published in PLOS Medicine today 1. The paper suggests that these ...

Artificial blood could reduce preventable deaths in settings where limited supply costs millions of lives in low-income countries. Getty. The blood was created by extracting hemoglobin, the oxygen ...

A blood test that can help diagnose Alzheimer’s disease has received clearance from the Food and Drug Administration. This is a step toward a goal of scientists and doctors to one day be able to ...