Referring to &quot;scientists&quot; that way is unfair.<p>Nutrition scientists and doctors are working with the human body and its surrounding environment, an exceedingly complex model. They publish their findings in journals with cautions and caveats and data.<p>A mainstream journalist with traffic quotas or column inches to fill on a slow news day then skims these journals for the next &quot;X makes you fat&quot; or &quot;Y gives you cancer&quot; headline without bothering to read the fine print.