My T2 is not treated with insulin today, but it could be later if it gets worse. And I am indeed talking about history pre-20th century. For example, diabetes

My T2 is not treated with insulin today, but it could be later if it gets worse. And I am indeed talking about history pre-20th century. For example, diabetes used to be diagnosed by peeing on the ground and seeing if ants we attracted to it. According to whatever diabetes history book I checked out of a medical library on inter library loan.