2007 study in Injury Prevention on car seat positioning and safety outcomes for children.

2011 study from the University of Michigan published in the journal Pediatrics on the link between paternal depression and care for children.

2011 study in Pediatrics, the journal of American Academy of Pediatrics, on nonfatal injuries to infants from cribs and related products.

2010 study by researchers from the University of Virginia and Vanderbilt on the number of words that 12- to 18-month-olds picked up from a best-selling instructional DVD for children.

2010 study from Harvard, Northwestern, and the University of California, Berkeley, researchers on the potential long-term effects of high-quality early education.

2010 study by Northwestern University on the potential larger effects of early music training on the brain's development, including linguistic abilities.

2009 Tufts University study on the relationship between household tobacco use and child nutrition in the developing world.

2008 University of California, San Francisco, study on the causes behind the high rate of dental care among the state's Latino children.