This photo taken on March 25, 2015 shows Japanese scientist Yoshinori Ohsumi speaking 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 / JIJI PRESS / JIJI PRESS / Japan OUT        (Photo credit should read JIJI PRESS/AFP/Getty Images)