I guess it was only a matter of time before researchers discovered what we all have long suspected — most babies are manic depressive. And not just “most,” but an astonishing 98 percent of them meet the criteria for bipolar disorder, again suggesting the dangers of using adult diagnostic criteria to diagnose mental illness in very young children.

According to an entry over at Beyond Blue:

A new study published in The Journal Of Pediatric Medicine found that a shocking 98 percent of all infants suffer from bipolar disorder. "The majority of our subjects, regardless of size, sex, or race, exhibited extreme mood swings, often crying one minute and then giggling playfully the next," the study's author Dr. Steven Gregory told reporters.

Read the full entry: 98% Of Babies Manic-Depressive.