新生儿营养和发育专家们认为两岁前发胖是良性和暂时的。几十年来,儿科医师往往劝告父母们,健康的婴儿并非体胖,而胖婴儿也未必就健康。也没有证据表明胖与瘦婴儿的比例在人群中发生变化。衣阿华大学医学院儿科教授Lloyd J Filer说:“基本的问题 Neonatal nutrition and development specialists think weight gain is benign and temporary before age two. For decades, pediatricians have often advised parents that healthy babies are not overweight and that fat babies are not necessarily healthy. There is also no evidence of a change in the proportion of fat to thin infants in the population. Lloyd J Filer, a professor of pediatrics at Iowa University School of Medicine, said: "The basic question