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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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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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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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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast
Environment Environment
China's proposed supercollider plans to be twice the size of the Large Hadron Co China's proposed supercollider plans to be twice the size of the Large Hadron Co
International Performance in Reading, Math, and Science, Eight Grade International Performance in Reading, Math, and Science, Eight Grade
The relative influence of heredity and the environment in human behavior has fascinated and plagued ... The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
From your experiences in grade school, can you tell if or how your teachers unintentionally helped ... From your experiences in grade school, can you tell if or how your teachers unintentionally helped ...
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