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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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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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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

The neural pathway responsible for the production and learning of song in the male canary. The neural pathway responsible for the production and learning of song in the male canary.
Formation of primary and secondary lysosomes and their role in cellular digestive Formation of primary and secondary lysosomes and their role in cellular digestive
Waste is responsible for 3.6% of global greenhouse gas emissions Waste is responsible for 3.6% of global greenhouse gas emissions
Agriculture is responsible for as much as 15% of global greenhouse gas emissions Agriculture is responsible for as much as 15% of global greenhouse gas emissions
Role of Factors of Production in Determining Output per Worker, 2009 Role of Factors of Production in Determining Output per Worker, 2009
A gene map for chromosome 12 from the NCBI database Map Viewer A gene map for chromosome 12 from the NCBI database Map Viewer
Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

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