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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.