One of the first things that a low real income produces is malnutrition.
Some of the world's most nutrient-dense foods are:
Salmon, Kale, Seaweed, Garlic, Shellfish, Potatoes, Liver, Sardines, Blueberries, Egg Yolks, Dark Chocolate
Organ meats like lamb's fry are extremely nutritious.
The 11 Most Nutrient-Dense Foods on the Planet
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