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 ...

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 ...

An at-home liver test can check for liver disease or help monitor an ongoing condition by measuring certain proteins, enzymes, and bilirubin in your blood. Taking this test can help shed light on the ...

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 ...

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 ...

A mismatch between two common tests for kidney function may indicate a higher risk for kidney failure, heart disease, and death, a new study shows. Health care providers for decades have measured ...