How to create a healthy 'germier' home

House-proud types may find this hard to process but "germier" homes can actually be great for our health.

Although some bacteria and viruses are clearly bad news, the "vast majority of these microbes are harmless or actually beneficial", said The Washington Post, so some families are taking steps to welcome them through their doors.

Which germs are good for us?

We don't just share our home with "family or pets", said Samuel J. White and Philippe B. Wilson on The Conversation...