|
|
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.