Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...

Our organs function as an integrated system, but they can age at different rates. Aging in particular organs can contribute to numerous aging-related diseases, so it's important for us to take care of ...

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 ...

Yes, it is possible for a person with cirrhosis to receive typical liver function test results, although this is rare. The United Kingdom’s National Health Service (NHS) notes that liver function ...