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Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.