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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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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
Label used to indicate a class IV controlled substance. Label used to indicate a class IV controlled substance.
Five Factors of Personality and the Traits they Include Five Factors of Personality and the Traits they Include
Immunoglobulin Class (3–11) Immunoglobulin Class (3–11)
Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ... Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ...
Noncoding regions include all the 5′UTR, 3′UTR and other noncoding RNA regions. UTR = ... Noncoding regions include all the 5′UTR, 3′UTR and other noncoding RNA regions. UTR = ...
Video: Electrical Conduction System of the Heart

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