1062 children at the age of 7 months and their families were randomized 1:1 in an intervention arm and a control arm. The intervention families has received child-oriented and individualized nutritional and life-style counseling that aims at decreasing child's exposure to the known environmental atherosclerosis risk factors. The controls children receive information as given at the well-baby clinics and in school health care of children and adolescents. The hypothesis is that the intervention children have healthier food habits and serum serum lipid and lipoprotein concentrations than the controls, fewer of them start smoking, and their physical activity level is higher than that of the controls.