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Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under
Sphygmomanometry. Photograph of a physician taking blood pressure readings with the use of a sphygmo Sphygmomanometry. Photograph of a physician taking blood pressure readings with the use of a sphygmo
The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ... The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ...
Analysis of a dihybrid cross involving two traits. Each trait is analyzed separately, then the frequ Analysis of a dihybrid cross involving two traits. Each trait is analyzed separately, then the frequ
Table - Analysis Table - Analysis
Allelic phase analysis in human families A and B Allelic phase analysis in human families A and B
Video: Polysaccharides

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