Four men, gathered around a dimly lit table full of tiles while smoking, betting money and drinking, is the typical image of mahjong.
But a new "healthy" variety--playing the game without these vices--has been increasing in popularity among the nation's elderly.
Experts say players utilize cognitive functions and build dexterity through the movement of their fingers, which could help prevent aging.
Each morning from Monday to Friday, men and women aged 60 or older gather to play mahjong in a room at a building in Shinagawa Ward, Tokyo.
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