Two children hospitalized after drinking excess milk, causing severe iron deficiency Helen Devos Children's Hospital admitted both children this week and last updated 2021-03-16 22:38:02-04 GRAND RAPIDS, Mich. â A local doctor is warning parents that too much cow's milk for toddlers can be dangerous. Just this week, Helen Devos Children's Hospital has admitted two young pediatric patients for severe iron deficiency, caused by too much milk intake. Dr. Deanna Mitchell, a pediatric oncologist and hematologist at Helen Devos, treated both patients. In at least one of these cases, doctors ...