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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
![A full-term pregnancy. Image illustrates position of the fetus and the structures associated with pr](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_48_05_82531516.jpeg)
![One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_5_23_23_25607561.png)