Summary Stress is a person’s physical and emotional response to change. Although most people tend to think of all stress as bad, it can be either positive or negative. An example of positive stress is having a new baby. The death of a loved one is an example of negative stress. Stress can also be

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X-ray and Cancer

Summary An x-ray is a painless test in which an image of part of the body is created by using low doses of electromagnetic radiation and recorded on film or fluorescent screens. X-rays can be used to diagnose a wide range of conditions, from bronchitis to a broken arm. Depending upon a physician’s evaluation of an x-ray image,

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