Liberty Journal

The Science of Duh! Long-term Soy Consumption Makes Monkeys Aggressive Loners

If long-term consumption of soy isoflavones can make monkeys into aggressive loners, as a 2004 scientific study suggests, what about humans? Soybean oil is the most widely consumed oil in the United States and is a ubiquitous part of processed foods. 

A few days ago we reported on a shocking recent study which showed that soybean oil caused serious genetic dysfunction in mice, leading to weight gain and serious neurological problems. These results should be cause for alarm for one simple reason: soybean oil is the most widely consumed oil in the United States. Indeed, there has been a 100-fold increase in soybean oil consumption during the 20th century. Soybean oil is everywhere, especially in the processed foods which make up a significant portion, even a majority, of the diets of most people in America and much of the rest of the developed world (see for instance this study from Brazil).

It is becoming increasingly clear that vegetable oils in general, including soybean oil, are seriously bad not just for mice but people too. Recently we dubbed vegetable oil ‘one of the worst things you can eat’, and also included vegetable-oil-laden processed food as one of the main foods that make you ugly. Processed food has been under intense scrutiny, as a result of a new documentary that aired on the BBC last week. For a period of a month, a British doctor conducted a self-experiment by eating a diet composed of 80% processed food, a diet consumed by as much as two-thirds of the adult population in the UK.

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