Dr. Andrew S Crawford DO

What is the main function of the liver?The liver serves as one of the most useful organs in the human body. It carries out many important functions that help sustain life and keep balance within the body. The liver does the following functions:...

A liver cancer risk factor is something that increases your chances of getting liver cancer. Different types of cancer have different risk factors. Some risk factors can be controlled such as smoking. On the other hand, age and family history cannot be changed, which means that some risk factors...

Gallstones are hardened, stone-like particles formed from the contents of the gallbladder. The stones vary in size, from very small grains to the size of a golf ball. In general, small gallstones may remain asymptomatic. But when the stones block the duct, it affects the movement of bile into the...

What are gallstones?Gallstones are stones that are formed either in your gallbladder or the bile duct. The gallbladder is a small organ located just under the liver. Its basic function is to hold bile, which is a digestive fluid secreted by the liver. The gallbladder releases bile when it is...

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

Pain in your belly button can range from mild to severe and can be occasional or constant. In some cases, belly button pain can also radiate to other areas of the body aside from the area near your belly button. It is also important to note that pain in your belly button is not a medical condition...