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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

