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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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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.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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

What makes tea so good What makes tea so good
Anthropologist Andrea Wiley (left) investigates the effects of high-altitude living on reproductive Anthropologist Andrea Wiley (left) investigates the effects of high-altitude living on reproductive
Remote sensing and GIS are important tools Remote sensing and GIS are important tools
Atmospheric properties include temperature, pressure, and humidity Atmospheric properties include temperature, pressure, and humidity
Humburger is a good source of niacin , vitamin B6 and pantothenic acid Humburger is a good source of niacin , vitamin B6 and pantothenic acid
ATP, an important energy currency in cells ATP, an important energy currency in cells
Video: Flexor reflex & Crossed extensor reflex

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