More evidence that there's something to this notion of calorie restriction -
http://www.smh.com.au/world/outnumbered-by-the-girls-hes-the-last-man-standing-20130524-2k6ry.html
"'Mr Kimura retired in 1962 aged 65, after working for 45 years in the Japanese post office. He now lives in Kyō¯tango, Kyoto Prefecture, with his eldest son's widow, 83, and his grandson's widow, 59, and attributes his long life to eating small portions of food, and admits to spending most of his time 'in bed.'"
