article_snippet: The 12-year-old, whose father is former Manchester United footballer Dwight Yorke, has 'Prader-Willi syndrome' (PWS), a rare genetic condition that causes a wide range of problems.
article_snippet: grandmother Amy, left, helps care Katie grandson who was born with a rare genetic condition .
article_snippet: But as her grandson who was born with a rare genetic condition approaches her grandson who was born with a rare genetic condition teenage years, Katie said Harvey is also be a delight as Harvey personality shines through.
highlights_snippet: Katie's first born Harvey has a rare genetic condition .
  
highlights_snippet: Appeared with He on This Morning to raise awareness of He