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Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.