If your doctor thinks cancer may have spread to your bones, a test called a bone scan can help them learn more. What is a ...

Medically reviewed by Qin Rao, MD Key Takeaways You need to follow a special diet and may take laxatives to clean out your ...

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 ...