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Asthma cases in Americans are about 75% higher today than they were in 1980.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
The horizontal fraction bar was introduced by the Arabs.
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.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.