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Author Question: The Presidents Commission on Mental Retardation was established by this president, who had a sister ... (Read 30 times) |
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.