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Research by Imperial College and the World Health Organisation, predicts that South Korean women will be the first in the world to have an average life expectancy above 90. Experts suggest that South Koreans have benefited from a good education system, improving nutrition, and the lowest rates of obesity in the world. Sisil Cho and her sister Nicole run a Korean restaurant in South London, they told Ritula Shah what they think lies behind the increased longevity. (Photo: An old South Korean woman doing Taekwondo. Credit: Getty Images)
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