For many people it is difficult to comprehend how children younger than 5 could be prescribed mind-altering drugs and be taking them on a regular basis, but according to a recent survey by Express Scripts Inc., a private pharmacy benefit manager that researches drug trends, not only are children from birth to age 5 being given antidepressants, it is this age group that has shown the largest proportional increase in the use of antidepressants. The Express Scripts survey, titled Trends in the Use of Antidepressants in a National Sample of Commercially Insured Pediatric Patients, 1998 to 2002, presented prescription-claims data...