article_snippet: It claimed the lives of four family members and has left Chris' brother bedbound.
article_snippet: Now, the cruel disease that has gripped several generations of Chris Graham family has struck again.
article_snippet: The ex-serviceman, now 39, discovered in 2010 that Chris Graham carries the same faulty gene that claimed the lives of Chris Graham father, aunt, cousin and granddad, all in the lives of his father, aunt, cousin and granddad 40s.
article_snippet: Several members of Chris Graham family have been killed by the cruel, genetic form of the condition .
article_snippet: Like Chris Graham brother, Chris Graham carries a faulty version of PSEN-1 gene, which affects around 400 families worldwide.
article_snippet: Chris Graham was in hospital so long
article_snippet: Chris Graham sister, my aunt Thelma, died at 41 as she inherited the faulty gene too.
article_snippet: As one of four children, each of Mr Graham's and Mr Graham's siblings had a 50/50 chance of inheriting the gene from four children, each of Mr Graham and his siblings .
article_snippet: While Mr Graham's two sisters avoided the genetic curse, tragically, both Mr Graham's and Mr Graham's brother Tony have been struck by it.
highlights_snippet: Killed Chris Graham father at the age of 42, and
highlights_snippet: Chris' brother is bedbound at just 43 .
  