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 ...

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 ...

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 ...