"The number of Japanese living beyond 100 has almost quadrupled in the past 10 years, with the once-exclusive centenarian club expected to exceed 28,000 this year. Experts often attribute the longevity to a Japanese diet rich in vegetables and fish."
http://www.msnbc.msn.com/id/19291437/wid/11915773?GT1=10109 + 1 for pescetarians. ^_^