Bread and sugar are the same kind of molecule. One is simply a long chain of the other.

What it means

Starch is a polymer of glucose units linked end to end, and digestion breaks those links to release the sugar. That is why a piece of plain bread turns sweet if you hold it in your mouth long enough for the enzymes in saliva to get to work. The difference between a simple and a complex carbohydrate is how long the chain is and therefore how quickly the sugar arrives.

The claim comes from MedlinePlus.

Nearby in the collection

The facts either side of this one.

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