The term 'type 3 diabetes' has been around for at least a decade and has been written about in some of the most mainstream publications around. It's hardly a term that needs to be cited. If you were to use Google, you could find well cited articles like this.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2769828/

Or, here's some more current research being done at the Mayo clinic.

https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-mi...

I've now googled it and learned it's a controversial term not embraced by the medical community. Thanks.

I'm in the medical community, and one of the largest Alzheimer's research centers. It's embraced by many.