Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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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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On average, the stomach produces 2 L of hydrochloric acid per day.
Dicksonia antarctica, a species of tree fern
Human embryonic stem cells forming rosettes, a sign of neural differentiation
Parts of human nervous system
Diagram illustrates how the dimensions of masculinity and femininity
The Human Skeleton
Human urinary system.