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Did you know?
The horizontal fraction bar was introduced by the Arabs.
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?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
Your heart beats over 36 million times a year.