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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.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
There are approximately 3 million unintended pregnancies in the United States each year.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.