Dowbrigade

Calorie-packed
fast food encourages over-eating and weight gain because it is out of
step with human evolution, scientists have said.

"Since the dawn of agriculture, the systems regulating human appetite
have evolved for the low energy diet still being consumed in rural areas
of the developing world where obesity is almost non-existent."

"Our bodies were never designed to cope with the very energy dense
foods consumed in the West and this is contributing to a major rise in
obesity."

from Ananova