|
|
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.