Scientists say the common practice of splitting pills in an effort to save money or make medications easier to swallow leads to inaccurate dosing and is potentially dangerous. In a new study, Belgian researchers found that almost one-third of pill fragments that had been split with either a kitchen knife, a pair of scissors, or a pill-splitting device were off in their dosage by 15 percent or more. An additional 14 percent of these split tablets differed from their recommended doses by 25...