These MRI images with arrows indicating cancer were made during a study by researchers at the National Institutes of Health and published Wednesday, Dec. 4, 2024, in the New England Journal of ...

Pregnancy blood tests are over 99% accurate at detecting hCG, a hormone that rises after conception. False negatives can occur if the test is taken too early, so timing is important. Blood tests can ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

An experimental blood test could help detect pregnant women at increased risk for preeclampsia, a serious high blood pressure condition that can harm both mother and child. Researchers report the test ...