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Author Question: A _______ is a proposed explanation that has not yet been proven as fact. A. theory B. concept ... (Read 89 times) |
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
There are 20 feet of blood vessels in each square inch of human skin.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.