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Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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The human body produces and destroys 15 million blood cells every second.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Striking examples where high surface area releases heat. Striking examples where high surface area releases heat.
On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
Four Brain Structures with High Myelination in Early Childhood Four Brain Structures with High Myelination in Early Childhood
What Percentage of U.S. Married Women Ages 40-44 Have Never Given Birth? What Percentage of U.S. Married Women Ages 40-44 Have Never Given Birth?
Ford spring-lock connectors require a special tool for disassembly. Ford spring-lock connectors require a special tool for disassembly.
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

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