How to Feed Good Bacteria and Fight the Bad

Bacteria play a major role in our lives, both good and bad. Here's how to feed the good bacteria and fight the bad.

Bacteria play a central role in our lives, shaping much of the world around us, as well as the world within us.

We’ve long regarded bacteria as something to be feared – agents of illness and death – but, increasingly, it’s understood that many bacteria are, in fact, harmless and even beneficial.

Bacteria in our gut, for example, help us produce vitamins, such as folic acid, while others help us to absorb important metals, such as calcium, from our food. Read more