|
Author Question: Nick was a witness to a robbery in a convenience store where the thief jumped over the counter, ... (Read 77 times) |
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.