Bacteria and Humans

Bacteria and Humans

Bacteria are tiny, single-celled organisms that play a surprisingly big role in daily life. While some bacteria cause diseases, many others are helpful—and even essential. For instance, bacteria help digest food, produce certain vitamins in the gut, and decompose waste in the...

Bacteria aren’t just troublemakers, many help keep you healthy and even create some of your favorite foods.

During fermentation, bacteria break down the sugars in milk to form lactic acid, producing yogurt and cheese. Similarly, they break down sugars in cabbage to make sauerkraut.

Beyond food, bacteria play a crucial role in your bo...