A stress test measures how well your heart works when put under stress. It is ordered to assess exercise tolerance, see if your heart can respond to demands, or test if heart medications are working.

Anxiety is a common term for worrying or feeling stressed about things. While everyone experiences anxiety from time to time, some people experience so much anxiety that they cannot stop worrying or ...

Anxiety is both a mental and physical state of negative expectation—mentally characterized by increased arousal and negative expectancy tortured into worry, and physically by activation of multiple ...

The true cause of anxiety is being a human being, gifted with the capacity to imagine a future. As a mental state of apprehension about what might, or might not, lie ahead, anxiety reflects ...