5 Ways Yeast Will Help Save Lives

Try to imagine life without yeast. It’s kind of a bummer.

The single-celled fungi are the leavening agents that gave rise to sourdoughs, ciabattas and chewy pizza crusts. They’re the microorganisms that convert sugar into carbon dioxide and ethanol to give beer and wine its intoxicating effects. They are used to produce insulin. You can buy yeast supplements. Yeast also played an instrumental role in a Nobel Prize win earlier this week.

Yeast, it turns out, is a life-saver. Although th

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