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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?
Everyone has one nostril that is larger than the other.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.