The invisible scourge of chronic pain

Besides the physical impact, such pain exerts a huge toll on one's productivity, quality of life

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.

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A version of this article appeared in the print edition of The Straits Times on July 05, 2018, with the headline 'The invisible scourge of chronic pain'. Print Edition | Subscribe