Tuberculosis (TB) is an infectious disease that attacks the lungs, though it can affect almost any body area. Two types of tests can identify a TB infection, but how often you should get a ...

Before a stress test, you’ll need to avoid food, drink, tobacco, and caffeine for a time. You may also have to stop taking some medications. Your doctor will provide information specific to you, but ...

A gestational diabetes test checks blood sugar, or glucose, levels during pregnancy. Before the test, people should avoid consuming food and drinks that are high in sugar and simple carbohydrates, as ...