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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.