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 ...

The night before a military fitness test can be a swirl of emotions. Knowing what to eat -- and, just as importantly, what to avoid -- can add to that anxiety. Here is a question from a reader who is ...