11.   Should this theory prove correct, the Dairy industry would offer people predisposed to diabetes a range of milk and other products free of the mutant protein.

12.   So the question is what the mutant protein is actively doing to cause disease.

13.   He said it would be difficult to provide such people with dairy products free of the mutant protein gene.

14.   Dairy Research Institute director Kevin Marshall said milk free of the mutant protein gene could be on shop shelves within a year if the link was proven.