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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 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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Everyone has one nostril that is larger than the other.

The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
A typical oil pump mounted in the front cover of the engine that is driven by the crankshaft. A typical oil pump mounted in the front cover of the engine that is driven by the crankshaft.
A typical engine oil cooler. Engine coolant flows through the cooler adjuster that fits between the ... A typical engine oil cooler. Engine coolant flows through the cooler adjuster that fits between the ...
A high-performance aftermarket air filter often can increase airflow into the engine for more ... A high-performance aftermarket air filter often can increase airflow into the engine for more ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
Video: Ultrasound of a Fetus (Sonogram)

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