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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially
Adaptations to the Environment
Cystoscopy. In this procedure, a specialized endoscope with a rigid tube, known as a cystoscope, is
Environment
Environmental ethics pertains to humans and the environment
Legal Environment of Business: Online Commerce, Ethics, and Global Issues (Cheeseman)