JERICHO - Parents across the country are on edge following the news that researchers have detected arsenic in Baby?s Only brand formula.Researchers at Dartmouth College tested 17 baby formulas, finding arsenic only in Baby's Only. It contained six times the level of the toxic element than is allowable in drinking water. Experts blamed the arsenic?s presence on one ingredient: organic brown rice syrup. While traces of arsenic are commonly found in foods and drinks, pediatricians say arsenic poses a greater threat in formula because it is an infant's main source of food.Doctors say arsenic could affect a child?s developing brains and neurological system and advise parents to stay away from baby products with brown rice syrup.Study: Ingredient used in baby formula may contain arsenic