Improved is a poor choice of word for risk since increased risk not giving a good effect.
As far as I know, there are many reports that alcohol can reduce diabetes risk and a few about gall bladder stones but there no cirrhosis reduced risk.
Assuming that the question means which disease that the risk will be increased it should be cirrhosis.
An experimental procedure that removes the bursa of fabricius, either surgically, hormonay or through infection with the virus.
