Blood tests have long been an important tool for giving doctors a picture of a patient’s health, from cholesterol levels to diabetes risk. Now new genetic science, AI analysis and other advances ...

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 ...

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 ...

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 ...