This article was reviewed by Darragh O’Carroll, MD. 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 ...

Monitoring blood biomarkers may seem reserved for elite athletes, but low levels of vitamins and minerals are common even among amateurs, and can have negative effects on performance. As long winter ...

Blood tests are helpful for monitoring your overall health. But research suggests they can also give us clues about the ...

Your doctor just mentioned ordering a comprehensive metabolic panel, and you’re wondering what that means and why you need it. Don’t worry — this isn’t some scary, complicated procedure. It’s actually ...

This article was reviewed by Felix Gussone, MD. Key Takeaways Blood work gives you a snapshot of your overall health, often revealing issues before symptoms show up. Regular testing helps detect or ...

During fasting or exercise, immune cells (red) migrate to the pancreas and stimulate glucagon-producing cells (orange) to regulate blood sugar, with cell nuclei shown in blue. “For decades, immunology ...