History of diabetes further clarified in 1921, when Sir Frederick Grant Banting and Charles Herbert Best repeated the work of Von Mering and Minkowski, and went further to demonstrate they could reverse induced diabetes in dogs by giving them an extract from the pancreatic islets of Langerhans of healthy dogs. The islets of Langerhans was discovered in 1869 by an anatomist named Paul Langerhans. He identified the keys cells in the pancreas which produce the main substance that controls glucose levels in the body. Banting, Best, and colleagues (especially the chemist Collip) went on to purify the hormone insulin from bovine pancreases at
The Tale of the Body Thief Talbot, Lestat jumps at the opportunity. Unfortunately, James has no intention of ever switching back, and Lestat is forced to scheme to regain his body. Lestat nearly dies after becoming human again—his new body is wracked by pneumonia, which he ignores during a tour of Washington D.C. in the middle of winter. He is saved by the care of a nun named Gretchen. He enjoys a short love affair with Gretchen before she returns to South America, where she works in a convent, and Lestat sets out in search of his body. Lestat seeks help from other vampires but is