"Overall healthier environment". Meaning, food was relatively scarce. No Starbucks, Dunkin Donuts, convenience store on every corner. Coca-cola was not available in 2-liter bottles or in 24 packs of cans. No Costco-sized mutlipacks of anything.

In the 1950s, malnutrition was a serious issue that many people in poor areas died from. When was the last time someone died because they didn't have access to food? Obviously, the other side of that coin is that food being so plentiful, people eat much, much more than ever before.