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 ...

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 ...

A continuous glucose monitor is a small device that sticks to your arm. Every few minutes it sends a signal to your phone estimating your blood sugar levels. But can it improve your health?