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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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![The slight (5 microsecond) difference in the firing of the companion cylinders is enough time to ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_6_52_55_298211569.png)