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The invisible scourge of chronic pain
Besides the physical impact, such pain exerts a huge toll on one's productivity, quality of life
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Ng Yi Shu
When he was in national service, Mr Timothy Soh ran 20km a day, every day, for months on end.
Hooked on exercise and the rush of endorphins that would cause a "runner's high", the operations manager, now 30, remembers having to stop.
