Some doctors now claim that infants too may suffer from depression, exhibiting tell-tale signs such as a lack of emotional expression and trouble eating and sleeping. Either a damaging home environment or genetic predisposition may account for the baby blues, experts say.
"Babies can be depressed," said Dr. Jess Shatkin, director of education and training at New York University's Child Study Center. "It's not a terribly common phenomenon. We think maybe one in 40 or so -- but it can certainly happen."
Read more: One in 40 Infants Experience Baby Blues, Doctors Say