There was a time, not long ago, when widespread obesity was uncommon. Looking at family albums, school photos, or beach snapshots from the 1970s, most people appeared more active and balanced. This wasn’t due to special diets or self-control—it was how daily life worked. The environment encouraged movement, regular eating, and natural balance. Movement was built into everyday routines. Many households had one car—or none at all. Walking to school, work, stores, or friends’ houses was necessary, not optional. Children played outside, ran errands on foot, and returned home the same way. Physical activity was constant and effortless. Food was...
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