Observing and recording information about natural phenomena is
part of the scientific method.
All of the health-related content
in Haz-Map comes from
peer-reviewed sources, and the methods used to extract the information were
published in a peer-reviewed journal.
is emphasized that not all epidemiological studies are equally informative or of
equal quality. Some have low statistical power and provide little information on
risks; others are so susceptible to potential or actual biases that findings
have little or no validity. It is important to consider methodological issues
when interpreting the evidence from different studies, and it is the consistency
of findings in different studies conducted by different investigators in
different parts of the world that is most informative." [John Boice.
"Ionizing Radiation" in Cancer
Epidemiology and Prevention.]