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Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Normal right tympanic membrane Normal right tympanic membrane
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria. The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria.
Membrane rafts Membrane rafts
Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin
Video: PET Scan Animation

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