Horizon follows the emotional journey of three young people with currently untreatable conditions to see if, within their lifetime, they can be cured. Sophie Morgan is determined not to spend the rest of her life in a wheelchair. She is tempted by the online claims of unregulated private clinics promising a cure using stem cells. To help her decide if she should go for treatment, she meets another paraplegic, Chris Oberle, who spent his life savings visiting an Indian clinic. She also visits Geron, the Californian clinic set to hold the first human trials using embryonic stem cells. A lot rests on the trial; if successful, it could mean treatment much sooner for Sophie and lead to cures for a range of untreatable conditions. Anthony Bath was just 20 when his right leg was amputated. A botched pinning procedure led to an MRSA infection and, after 18 operations, the loss of his leg. Although he has continued to achieve great things on the sporting front, running marathons and sai