Your blood offers a treasure trove of health clues, but what are the top recommended blood tests for women—and which may be ...

Why ferritin matters: Ferritin stores and releases iron, fueling red blood cell production and oxygen delivery throughout the body. Low vs. high signs: Low levels can cause fatigue, dizziness, and ...

Fatigue, weakness and low energy levels are all signs of iron deficiency, while for low levels of B12, symptoms can include ...

Your doctor orders an HbA1c test. You get the results back. Everything looks fine. Your blood sugar is under control. You're ...

Experts think certain non-routine tests are worth asking your doctor about, since the results could point to health-saving ...

A new program at an Inova blood center in Centreville, Virginia, hopes to give donations a much-needed boost by offering free ...

Scientists have long been puzzled by how maturing red blood cells manage to produce all the hemoglobin they need to carry oxygen to tissues, even after shedding the vital structures they need to ...

Iron helps carry oxygen to our cells and tissues, supporting normal brain function, energy production and a healthy immune ...

The vision of a single blood test that could screen for dozens of different cancers has tantalized oncologists for more than a decade. Subscribe to read this story ad-free Get unlimited access to ...

Firms like Function Health and Oura market regular blood tests to people wanting to take their health into their own hands.

Vitamin B12 and iron are essential nutrients for giving you energy; however, one is not invariably better than the other. Taking vitamin B12 or iron will not be helpful unless a deficiency is present, ...

A Miami man credits a routine blood test with saving his life after early-stage colon cancer was found via colonoscopy, leading to successful surgery.