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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Risk-taking behavior by young males. Risk-taking behavior by young males.
Neural Circuits and Maternal Behavior Neural Circuits and Maternal Behavior
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
The Molecular Structure and Behavior of Lipids The Molecular Structure and Behavior of Lipids
Mendel’s observations about segregation and independent assortment are explained by the behavior ... Mendel’s observations about segregation and independent assortment are explained by the behavior ...
Studying the genetic roots of mating and bonding behavior Studying the genetic roots of mating and bonding behavior
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

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