Preterm infants, infants who are exclusively breastfed and infants who are at risk for developmentaldisabilities seem to be at higher risk to develop iron deficiency.
早产儿、完全母乳喂养和有发育残疾风险的婴儿看起来有更高的风险患铁缺乏。
2
For example some people with developmentaldisabilities show signs of premature ageing in their 40s and 50s.
例如，某些患有发育障碍的人们在其40和50多岁时就显示出过早衰老的体征。
3
But the American Association of Intellectual and DevelopmentalDisabilities does not cite such a numerical cutoff.