The gene pool argument makes no sense at all.

As for the other posts flaming the first one, can't you see that you are pointing the finger at everybody/everything except yourselves? Quit blaming society, fast food joints, inaccurate calorie counters, deceptive food labeling, and poverty.

For most (not all) people they are fat because they eat too much and don't exercise enough. Changing that may not be easy for some people, but it is not impossible, at all. It is a matter of will power and control.