Olympic cycling champion Sir Chris Hoy, who has terminal prostate cancer, is urging men with a family history of the disease to see their GP for a blood test even if they are under 50.He said more men need to come forward for the prostate-specific antigen (PSA) blood test to check for the disease.Both his grandfather and father had prostate cancer, which can run in families."If you've got family history of it, like I have, if you're over the age of 45, go and ask your doctor," Sir Chris told the

Olympic cycling champion Sir Chris Hoy, who has terminal prostate cancer, is urging men with a family history of the disease to see their GP for a blood test even if they are under 50.He said more men need to come forward for the prostate-specific antigen (PSA) blood test to check for the disease.Both his grandfather and father had prostate cancer, which can run in families."If you've got family history of it, like I have, if you're over the age of 45, go and ask your doctor," Sir Chris told the BBC.