Edison's Life and Death

Edison lived two more years working less napping more he summoned the energy in January 1931 to sign off on one more patent application its issuance brought his personal total to 1093. Health matters naturally enough became Edison's principal preoccupation at the end of his life. He remained unshakably certain that he was an expert on medical matters and had long before developed an all-encompassing claims for a milk only diet when Mina Edison's sister Jane had died suddenly in 1898  he wrote Mina expressing shock and admonished that if Jane had only been put on a milk diet nature would have had the opportunity to throw off the poisonous defective digestion today.