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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Medication errors are three times higher among children and infants than with adults.
Thyroid conditions may make getting pregnant impossible.
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.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.