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Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

