At his autopsy in 1821 it was concluded that Napoleon died of stomach cancer – however, the situation is not so clear, and has been debated for the last 200 years.⁠ .⁠ He most likely did have a stomach ulcer (cancerous or not). He complained of numerous symptoms in his final years on St. Helena. He had insomnia and gout (both in this case probably caused by excess alcohol and the accompanying dehydration – specifically the loss of calcium and other electrolytes). His gingivitis is another clue o