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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.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Approximately 25% of all reported medication errors result from some kind of name confusion.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.