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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Sources of income for U.S. population aged 65 and over. Sources of income for U.S. population aged 65 and over.
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
A dose-response curve describes the relationship between the quantity of the chemical entering the ... A dose-response curve describes the relationship between the quantity of the chemical entering the ...
Economic recession in 2008 saw a small decrease in demand Economic recession in 2008 saw a small decrease in demand
Relationship between Latitude and Income per Capita Relationship between Latitude and Income per Capita
The price of rice in a small country is currently $6 per pound. In order to help low-income ... The price of rice in a small country is currently $6 per pound. In order to help low-income ...
Video: A timeline of the teeth (Explained - No Audio)

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