A 27-year-old man filed a claim for recognition of the skin disease on his left hand as a work-related hand dermatitis. The claimant had been employed in a pizzeria, and his hands were chronically ...

Most of us have heard the phrase "correlation does not equal causation." But understanding how scientists move beyond identifying correlations to establish causation remains a mystery to many.

The Surgeon General warns us that even moderate alcohol consumption causes several cancers. However, the causal case lacks ...

In 1989, Mathias [1] defined "criteria for establishing occupational causation and aggravation." He proposed seven "objective" criteria for evaluating probable occupational causation. "Because ...

e., correlations) that cannot establish causation. Only experiments can do that. Animal Experiments A properly controlled experiment is the only evidence that truly establishes causation.