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Gym Tonic co-creator: ‘I want to help seniors age fearlessly’
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Mr Ken Tan remembers the day in 2019 when a doctor shouted at him.
The founder of technology company PulseSync had developed a fever upon returning from a trip to Kunming and Chengdu, China, in 2019. That night, the pain in his back and neck was so severe that he had to crawl when he needed to go to the toilet.

