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 ...

DEAR DR. ROACH: While most aspects of modern medical care don’t bother me, I despise blood draws from either arm. I always faint when it’s done, and I feel awful afterward for what seems like a long ...

DEAR MAYO CLINIC: I’ve never had my blood drawn before, but I have to go in for testing soon. Honestly, I’m pretty nervous about it. What can I expect? ANSWER: It can be a little nerve-wracking at ...