Jul 27, 2015
On this date in 1921, Canadian researchers determined that insulin
regulates blood sugar, leading to treatment for diabetes.
Here are a few things you may not have known about the
First, scientists knew that the pancreas was responsible for
regulating blood-sugar levels, but isolating exactly what substance
did the regulation had proven difficult. Doctors Frederick Banting
and J.J. R. Macleod experimented on dogs, and were able to produce
a substance they called isletin, now known as insulin. Beginning on
July 27, 1921 Banting, Macleod and their assistant, Charles Best,
were able to keep a dog with no pancreas alive for several months
by injecting it with the substance.
Second, In December 1921 Banting, Macleod and their team were able
to speed up their process by using fetal calf pancreas, which
allowed them to begin clinical testing. In a time when patients
died within months of being diagnosed with diabetes, the first
patient to be given insulin, 14-year-old Leonard Thompson, lived 13
Third, Banting and Macleod were awarded the 1923 Nobel Prize in
medicine. The patent for insulin was sold to the University of
Toronto for fifty cents.
Our question: Which of the following methods is not currently used
to administer insulin? Injection, inhalation or by pill?