Did you know?
Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
A road sign telling drivers that there may be devils nearby
Photo of a sign taken at an emissions test facility.
The lack of permanent disruption of language-related abilities after surgical excision of the ...
American Government: Roots and Reform, 2009 Edition
Loud Music and Hearing Loss (1 of 2)
Comparison of loss- and gain-of-function alleles