Improvements on the Horizon: Because most insulin errors are the result of confusing various forms and doses of the drug, great hope is being pinned on electronic error correction systems, like those made by General Electric (nyse: GE - news - people ) and health care technology firm McKesson (nyse: MCK - news - people ).

FORBES: America's Riskiest Drugs: Insulin

Only the new electronic error-correction systems hold out any hope for reduction in mistakes.

FORBES: America's Riskiest Drugs: Morphine