Quick Answer. The Boxing Day tsunami that occurred on Dec. 26, 2004, was caused by an earthquake of above 9 magnitude in the Indian Ocean. The earthquake was caused by the movement of the Indio-Australian tectonic plate as it subducted below the Eurasian plate, causing the seafloor above it to lift upwards. Continue Reading.
Exubera, an inhalable form of insulin. Credit: Frank Rumpenhorstâdpa /Landov. For people with diabetes mellitus, the year 1921 is a meaningful one. That was the year Canadian physician Frederick Banting and medical student Charles H. Best discovered the hormone insulin in pancreatic extracts of dogs.On July 30, 1921, they injected the hormone into a diabetic dog and found that it effectively lowered the dogâs blood glucose levels to normal.hat was the year Canadian physician Frederick Banting and medical student Charles H. Best discovered the hormone insulin in pancreatic extracts of dogs. On July 30, 1921, they injected the hormone into a diabetic dog and found that it effectively lowered the dogâs blood glucose levels to normal.
Each drug can be classified into one or more drug classes. Insulin is a polypeptide hormone that is important for regulating the amount of glucose in the blood. It is produced in the pancreas by the beta cells of the islets of Langerhans. Insulin given by injection acts similar to endogenous insulin. There are more than 20 different types of insulin available for diabetes treatment in the United States.