A platelet count is a test to measure how many platelets you have in your blood. Platelets help the blood clot. They are smaller than red or white blood cells.
Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure...Read more
A reader recently asked if eating a significant amount of fiber can diminish the effect of Lipitor (atorvastatin) in reducing cholesterol... Read more »