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 chemical stress test uses medications to simulate your heart’s response to exercise. A stress test can assess how well your heart performs during exercise. Your doctor may suggest a stress test if ...

What Is A Heart Stress Test And How Does It Work? Your heart rate, blood pressure, and Electrocardiogram (ECG) are always being checked while you walk on a treadmill or ride a stationary bike. The ...

Northwestern University engineers have developed a small, wireless polygraph system you can wear. Unlike polygraphs used in television crime dramas, this wearable version isn't optimized to detect ...