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There are more nerve cells in one human brain than there are stars in the Milky Way.
Medication errors are more common among seriously ill patients than with those with minor conditions.
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.
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.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.