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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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
Structure of cellulose, the main macromolecule of the primary cell wall
Cellulose
Nanotechnol in Biocellulose Nanofibers Schematic of Biosynthesis of Bacterial Synthesized Cellulose
Cellulose structure
Cellulose and chitin are examples of structural polysaccharides