Phlebotomy refers to drawing blood from a person’s vein with a needle. Lab tests on blood samples are important as they measure different blood components and provide information that can lead to a ...

Your body regularly loses water through sweating and urination. If you don’t replace it quickly enough, you get dehydrated. People at risk include athletes, those who work in the heat, older adults, ...

If you have chronic dehydration, your body tries to make do with less water. You may have symptoms like dry skin, constipation, and fatigue, among others. Chronic dehydration can be serious. Your body ...