India, June 13 -- At 92, Emma Maria Mazzenga is rewriting the biological rules of ageing. A retired high school science teacher living in Padua, Italy, Emma is an elite sprinter who reportedly holds multiple world records in the 90-to-94 age group. But it is her internal biology, rather than just her medal count, that is stunning the international scientific community. Also read | 62-year-old grandmother shares her secret to staying fit: 'Exercise won't make you look younger than you are but...'

As detailed in a new report by The Washington Post, shared on Instagram on June 10, researchers are currently conducting a comprehensive case study of Emma's physical fitness - the findings challenge everything we know about physical decline in t...