How To Tackle Obesity Among Preschoolers Childhood obesity has reached epidemic levels in developed as well as in developing countries. Overweight and obesity in childhood have a direct impact on both the physical and psychological growth of the children. It has become a serious medical condition that affects preschool-going children as well as adolescents. It is regarded as a problem not only because it looks bad and hampers free movement, but it is because these extra pounds invite various health problems that were once considered adult problems like diabetes, high blood pressure, and high cholesterol.