Buyers inspect neatly arranged frozen tuna at the Tsukiji Fish Market, the world's largest fish market, in Tokyo, Japan. Tuna and other oily fish, a central part of the Japanese diet, are rich in omega-3 fatty acids, a heart-healthy fat linked with lower rates of heart disease and stroke.
From eating less and walking more, to following the advice of an old cultural saying, learn the secrets of longevity with these health tips from Japan.
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