Workplace injuries and illnesses are an important cause of disability. State workers' compensation programs provide almost $60 billion per year in cash and medical-care benefits for those injuries and illnesses. Social Security Disability Insurance (DI) is the largest disability insurance...

The U.S. system for determining liability for environmental disease requires plaintiffs to demonstrate that the defendant was the legal cause of their illnesses. The determination of cause takes place in an adversary setting. Both sides in the dispute present evidence about causation to a lay...