baby. they re not and outrage is growing. here s senior correspondent elizabeth cohen. reporter: in the rural and fertile yakima valley, an alarming number of babies born with birth defects. anencephaly, babies born with much of their brain and skull missing. i was stunned. three in a couple month period of time. that s unheard of. they are such tragic, terrible outcomes. reporter: barron s shocking discovery prompted an investigation by the state health department, which showed that in three counties in a three-year period there were 23 cases of anencephaly, a rate four times the national average. what could be causing such a high rate here? is it just a coincidence or something more serious?
possible. but what if something in the environment is the culprit. state health officials have found nothing so far. you would think they would be working around the clock trying to find an answer talking to every single mom who s lost a baby. they re not and outrage is growing. here s senior correspondent elizabeth cohen. reporter: in the rural and fertile yakima valley, an alarming number of babies born with birth defects. anencephaly, babies born with much of their brain and skull missing. i was stunned. three in a couple month period of time. that s unheard of. they are such tragic, terrible outcomes. reporter: barron s shocking discovery prompted an investigation by the state health department, which showed that in three counties in a three-year period there were 23 cases of anencephaly, a rate