|
|
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
The horizontal fraction bar was introduced by the Arabs.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.