Yeast is one of the most important microorganisms in human food history. From the bread we eat every morning to the beverages served at celebrations, yeast plays a central role in food production worldwide. But beyond baking and brewing, many people ask important questions: * Is yeast safe to eat? * Can yeast cause infections? * Does yeast trigger health problems? * Should people with certain conditions avoid it? In this article, we will explore what yeast is, where it is used in food, its health benefits, and potential adverse effects on humans. What Is Yeast? Yeast is a microscopic, single-celled fungus. The most commonly used species in food production is Saccharomyces cerevisiae, often called baker’s or brewer’s yeast. Yeast works through a process called fermentation, where it breaks down sugars and produces carbon dioxide and alcohol. This natural process is responsible for: * Making bread rise * Producing alcohol in beverages * Creating unique flavors in fermented foods Where Is...