You shouldn't wear shoes in the house if you want to keep your living space as clean as possible. Here's why you should leave them at the front door.
Should you have a shoe-free home? It depends which scientist you ask
Wearing shoes in the house is just plain gross. The verdict from scientists who study indoor contaminants
Why do Americans wear shoes in the house? - Cantech Letter
Shoes Can Bring Poop Germs, Chemicals Linked to Cancer Into Home
Should you take off your shoes in the house? Scientists weigh in. - CBS News
Bacteria expert shares disgusting reason you should always take shoes off inside - Mirror Online
This Is Why You Absolutely Need To Stop Wearing Shoes In Your House - Legacy MEDSearch
Pathogenic Microorganisms: What's on Your Shoes and What Are They Bringing Inside?
The Risks of Wearing Shoes in the House & Feet Spreading Germs
The science is in: wearing shoes inside your home is just plain gross, Mark Patrick Taylor and Gabriel Filippelli for the Conversation
Should You Wear Shoes in the House? – FLAT SOCKS