Survived a heart attack? Start taking cereal fibres as this would improve your chances of a longer healthier life. According to a promising research people who survive heart attacks have a greater chance of living longer if they increase their dietary intake of cereal fibre. 'Those who ate most fibre had a 25 percent lower chance of dying in the nine years after their heart attack compared with those who ate least fibre' the researchers found. Every 10 gram per day increase in fibre intake was associated with a 15 percent lower risk of dying over the nine-year follow-up period.