The ability to move with speed, precision and power is important for longevity. Here’s how to gauge it and how to improve.

A company is looking at blood as a possible diagnosis tool for mental illness. Blood tests can check for infections and high cholesterol, but currently, they can’t test for mental illness or pain. A ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

An MCV test measures the average size and volume of your red blood cells. Low MCV suggests microcytic anemia, with red blood cells smaller than normal. High MCV suggests macrocytic anemia, with red ...