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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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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%).

The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
In 1879 an army officer founded the Carlisle School in Pennsylvania to “civilize” young Indians. The In 1879 an army officer founded the Carlisle School in Pennsylvania to “civilize” young Indians. The
Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here. Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here.
A downward-sloping spark line usually indicates high secondary ignition system resistance or an ... A downward-sloping spark line usually indicates high secondary ignition system resistance or an ...
Reconnect the lower back with the shoulder with a few deep effleurage strokes. Then place one hand ... Reconnect the lower back with the shoulder with a few deep effleurage strokes. Then place one hand ...
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012 Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
Video: Role of the respiratory system - effect of altered ventilation rates

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