In a study involving 180 blood bags, use of a double-knot closure rather than the usual single knot prevented bacterial ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

At-home gut health tests use DNA or RNA sequencing from a stool sample. Testing your gut health cannot replace an official diagnosis from a doctor. Your results may provide insights into gut ...

This product goes further than others that only tests iron levels. By measuring ferritin levels, it looks at the amount of overall iron storage and whether a person has normal iron levels. This test ...

Hyphenate when used as a compound modifier: He was active duty before becoming a reserve Soldier. He was an active-duty Soldier before becoming a reserve Soldier. African American (noun) ...