Defenders of veganism argue that his cancer could be attributed to his occasional forays into protein-eating (a meal of eel sushi has been reported), or perhaps to exposures to toxic metals as a young man tinkering with computers. A case could be made, however, that it was the fruitarian diet that killed him: Metabolically speaking, a diet of fruit is equivalent to a diet of candy, only with fructose instead of glucose, with the effect that the pancreas is strained to constantly produce more insulin.
