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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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.