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Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
![Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_17_45_85032206.jpeg)
![Pericardial effusion: A, normal pericardial sac; B, pericardial sac with excess fluid possibly causi](https://biology-forums.com/gallery/47/medium_18099_24_10_12_3_03_45.jpeg)