Two weeks ago you read about a study done with rats at Yale
University that found the brains of rats bred to be genetically
predisposed to obesity reacted differently to being fed a high-
fat diet than those who were bred to be lean.  The finding led
the lead author to write that obesity is "less about personal
will" and more about genetics.  Since I disagree, I countered
with "genetic predisposition is not destiny," especially for
humans not specially bred, and used deduction reaching a
particular conclusion from general information to prove it.  The
CDC had just released a report showing adult obesity rates by
state tripled in just one year.  How in the world could a truly
genetic problem spring up in so many adults so quickly?
Instead, a more likely argument is the one offered by the CDC:
that American society has become obesogenic, where overeating
nutritionally void, high-calorie food and doing little exercise
is now the norm. And what this does is exacerbate the problems
encountered by certain individua