This photo taken on March 25, 2015 shows Japanese scientist Yoshinori Ohsumi during a press conference at the Ministry Of Education in Tokyo. Yoshinori Ohsumi of Japan on October 3, 2016 won the Nobel Medicine Prize for his work on autophagy -- a process whereby cells "eat themselves" -- which when disrupted can cause Parkinson's and diabetes. / AFP PHOTO / JIJI PRESS / JIJI PRESS / Japan OUT