In the second edition, Spock emphasizes in several new chapters the importance of "firm but gentle" control of children. He warns against self-demand feeding, a type of feeding that had become popular in the 1940s.
In the second edition, Spock highlights in several new chapters the significance of "firm but gentle" control over children. He cautions against self-demand feeding, a type of feeding that had gained popularity during the 1940s.