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Author Question: Extended E-R model 1:1 relationships are called nonidentifying connection relationships in IDEF1X. ... (Read 55 times) |
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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.