Professional advice can help families improve their diet, according to research in the US. In families assigned to either a nutrition education programme or a standard education programme, those who received training in how to teach children the names various fruits and vegetables showed significantly greater consumption. A team at Washington University in St. Louis, Missouri, has found that after seven months if a parent ate one additional of fruit or vegetables per day, their children tended to eat half a serving more. The researchers report their results in Preventive Medicine.