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Did you know?
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.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.