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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.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.