There are many different types of medical doctors, ranging from general practitioners who can treat a wide range of health conditions to specialists with a very specific skill set. Medical doctors are ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...

More than 40% of U.S. adults are considered obese. That's according to the Centers for Disease Control and Prevention. But doctors and health experts say there are different types of fat. Some are ...