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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.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.