Doctors often say labs look “normal.” Dr. Mark Hyman explains why that doesn’t always reflect wellness, and what early ...

Your kidney function test results are a measure of how well your kidneys are working to filter your blood and remove excess water and waste from the body. For example, the estimated glomerular ...

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 ...

When the U.S. wrestler and actor Dwayne “The Rock” Johnson was in his prime, his Body Mass Index (BMI) was around 33 kg/m², technically ‘obese’ by World Health Organization (WHO) standards. Yet no one ...