Drug testing for marijuana is ordered by employers and other organizations. Learn about how long marijuana stays in your body and how testing is conducted.
Erythropoietin (EPO) is a hormone made by the kidneys that plays a key role in production of red blood cells. An EPO test can help diagnose the cause of anemia or help identify people who need EPO replacement therapy.
At-home colorectal cancer tests use a stool sample to detect cancer early. Learn about the types of at-home colorectal cancer tests and their pros and cons.
The stool DNA test checks for genetic changes in the cells in your stool. Abnormal cells or blood in the stool may be a sign of precancerous growths or cancer.
