How should I treat a patient who has signs and symptoms of hypothyroidism but normal lab values? The 36-year-old woman has mitral valve prolapse, menorrhagia, headache, fatigue, brittle nails, hair ...

If you’ve ever had a doctor order a blood test for you, chances are that they ran a complete blood count, or CBC. One of the most common blood tests in the world, CBC tests are run billions of times ...