Like any device tasked to do a job it isn’t designed to do, the liver does a poor job of metabolizing this daily flood of fructose. Liver cells use as much of the fructose as they can to generate energy, but they convert the rest, the excess, to fat. Reasonably reliable research suggests that this fat is trapped in liver cells, leading to a condition known as nonalcoholic fatty liver disease, which is associated with obesity and diabetes and is also becoming an epidemic in the modern world. Some very good biochemists think that the backup of fat in these liver cells, whether temporary or
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