Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Hematopoesis (Genesis of blood cells)
Tracheid cells in xylem tissue.
Human Hair
Sperm and Egg Cells Fusing
In the retina, there are two types of light receptor cells: Rods are sensitive to differences in lig
An electron micrograph of a synapse between two nerve cells.