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The "wellderly" were more physically active and social and typically better educated than the general public.
ST PHOTO: LIM YAOHUI
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Mohana Ravindranath
NEW YORK – About two decades ago, a California research team observed a striking phenomenon: While a majority of older adults have at least two chronic diseases, some people reach their 80s without major illness.
The researchers suspected the key to healthier ageing was genetic. But after sequencing the genomes of 1,400 of these ageing outliers – a cohort they called the “wellderly” – they found almost no difference between their biological make-up and that of their peers.
