The Vegetable Oil Takeover
Industrially processed vegetable (seed) oils are ubiquitous in the supermarket. These oils were meant to replace animal fats and improve the health of America when they were introduced during the second half of the 20th century.
Consuming vegetable oil instead of animal fat was the best way to reduce blood cholesterol levels, which was at the time, understood to be a major cause of heart disease. But decades later, obesity and chronic disease rates continue to rise. In fact, the introduction of industrial vegetable oils to the food supply correlates very well with the rise in obesity rates.
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