A diet change (specifically a high-fat diet or HFD, thinking "keto" here) led to a doubling in size of the pancreas, but it wasn't clear to me what that means a

A diet change (specifically a high-fat diet or HFD, thinking "keto" here) led to a doubling in size of the pancreas, but it wasn't clear to me what that means as far as obesity or prediabetic implications (is a doubled-up pancreas conducive, or unfavorable, to fat retention?) They then took the resulting gut microflora and transplanted them to another organism and observed similar effects on the pancreas That's about all I got out of it, not sure what it broadly means though other than that the gut microflora keep having a seemingly greater effect on our overall health than we think