Where has this all brought us?

Many times, the science of epidemiology simply confirms the obvious - rarely has an epidemiological study drawn attention to an agent that was not already recognized by an astute observer in the field (e.g. Fen-Phen)

Many times, the science of epidemiology simply confirms the obvious - rarely has an epidemiological study drawn attention to an agent that was not already recognized by an astute observer in the field (e.g. Fen-Phen)