|
Author Question: Ms. Lanyan is in the midst of an inquiry project about insects with her 1st grade class. In her ... (Read 3039 times) |
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.