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Did you know?

Your heart beats over 36 million times a year.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi
Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
Personality Behavior Patterns and Their Risks for Heart Disease Personality Behavior Patterns and Their Risks for Heart Disease
Parkinson’s disease Parkinson’s disease
Video: Electrocardiogram Examination

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