How is anyone sure of the results of a clinical trial, and how would proximity i...

KekDemaga on Oct 5, 2017 | parent | context | favorite | on: Google admits citing 4chan to spread fake Vegas sh...

How is anyone sure of the results of a clinical trial, and how would proximity increase the level of certainty? In regards to world politics when could you ever be certain a report is accurate? Didn't you always have to use critical thinking?