The 1971 closing of the gold window, moved the world from a gold-based monetary system to a fiat-based system. Credit expansion then lead to indiscriminate debt and consumption replacing careful savings and investment, and many unintended consequences; economic, social, and environmental.
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1. Obesity Increase
Due to excess consumption encouragement from increased debt, food price inflation forcing people down the nutrition spectrum, compounded by flawed dietary guidelines, coincidently also introduced in the 1970s.