Harrison Hayes was in the middle of studying for his A-level exams when he was struck down by a mysterious illness. The teenager noticed he was becoming breathless easily and had to stop for regular breaks whenever he was out walking.
As the weeks went by, the strange symptoms persisted, progressing into general fatigue and random aches all over his body. READ MORE: Dad-of-two 'forced' to live on diet of Easters eggs has already eaten more than 200 this year Harrison, who likes to be known as Harry, visited doctors but medics were unable to pinpoint what was causing his decline in health.
Following several trips to A&E, Harry says he was misdiagnosed multiple times, told he had everything from a collapsed lung to bad acid reflux.
He was eventually prescribed steroid tablets which seemed to improve his condition, seeing him return to his beloved sports including football and cricket.
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