About the SA Blog Network

Posts Tagged "hygiene hypothesis diet"

Food Matters

Eating Dirt: The Benefits of Being (Relatively) Filthy

You are what you touch

Two of the most monumental developments in the history of human civilization, likely the innovations that have saved more human lives than any other, are soap and sanitation. When large numbers of people congregate in a single location for prolonged periods of time, excrement and waste quickly rise to unimaginable levels and are capable of [...]

Keep reading »

More from Scientific American

Email this Article