Diet is the main reason - people who once subsisted on fish, coconuts and root vegetables now eat imported processed foods that are high in sugar and fat, according to experts.

饮食是引发肥胖的主要因素：岛国居民本来以鱼、椰肉和根茎类蔬菜为主食，现在却吃高糖和高脂肪的进口加工食品。