Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

Picture this: You've just finished your annual doctor's appointment. You feel good, and the routine tests your doctor ...

Because the risk of many conditions increases with age, doctors generally recommend more frequent lab testing as you get older. This is because many health risks increase with age, and early detection ...

What foods should I avoid before a cholesterol test? Cardiologist reveals what to eat the night before, whether you need to fast and which foods impact results.

Getting tested for Alzheimer’s disease just became dramatically easier, and the implications are absolutely mind-blowing. The FDA has approved the first blood test that can detect the brain changes ...