Cherry Healey, a popular British documentary presenter, investigates the alarming rise in the numbers of young people suffering from illnesses associated with older people, due to alcohol, drugs and obesity. We all know that drinking, drugs and fast food are bad for you but these days, a life of excess isn’t just leaving young people hung over, it’s accelerating their age. Hit by chronic conditions, usually the preserve of pensioners, their young bodies and minds are increasingly heading for an early retirement.