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Did you know?
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.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
The horizontal fraction bar was introduced by the Arabs.

