The Chase host Bradley Walsh, 61, has spoken about his lifestyle overhaul after doctors broke the news to him that his weight made him a "ticking time bomb" in relation to suffering heart-related conditions.The ITV host revealed that he was forced to reevaluate his eating habits and fitness regime after being told he is at risk of hereditary heart disease following the death of his dad before he reached the age of 60.The star revealed that he faced heartbreak when his father died before reaching his 60th birthday after contracting heart disease.He told The Sun on Sunday: "I had a hang-up because my father, Daniel, died at the age of 59."I had it in the back of my mind that I just had to get past my dad's age."So turning 60 was a bit of a.