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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?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.