In the practice of pediatrics, one frequently finds rickets in the breast-fed infant. On close questioning, there may or may not be elicited some error in the feeding. If there is an error, it is likely to be blamed for the disease; and if there is no error, the history is very likely to be regarded as doubtful as regards some points. This study was undertaken to ascertain the incidence of rickets in breast-fed babies, and to investigate the symptoms and the influence of the disease in those whose feeding and care was supervised and directed from birth.
In my service of the newly born, with its followup clinic, at the Touro Infirmary, an opportunity is afforded to study those infants whose care is begun at birth and closely supervised and regulated thereafter. This service has been described elsewhere.1 Suffice it to say that it includes an inside and