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Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry ...

What Does a Hematocrit Test Measure? A hematocrit test is a blood test that measures the level of red blood cells in your blood. Your blood is made up of plasma and blood cells. Plasma is the liquid ...

Corin Cesaric-Epple is an Editor at CNET covering home and kitchen tech and meal kits, and reporting regularly on artificial intelligence. She earned her bachelor's degree in journalism from the ...