Drawing causal inference with observational studies is the central pillar of many disciplines. One sufficient condition for identifying the causal effect is that the treatment-outcome relationship is ...

A few things are clear. After years of research, no study has shown that acetaminophen, the main ingredient in Tylenol, causes autism. There’s no known single cause of autism, a neurological condition ...

While observational studies have previously pointed to an association, being able to identify causation has been difficult due to overlapping risk factors and confounding variables. Rheumatoid ...

This is a preview. Log in through your library . Journal Information Epidemiology is a peer-reviewed scientific journal that publishes original research on the full spectrum of epidemiologic topics.