We are obsessed with cleanliness in he developed world and it is likely killing us. The over use of cleaners in the built environment and the use of biochemical cleansers (like antibiotics) are weakening out immune system. They may also be negatively impacting our mental health as well. So relax with all that germaphobic behaviour.

Just chill. Killing microbes just because they microbes is not a nouns strategy for survival. We need exposure to all those tiny things to improve our health and out well being.

The overall message, then, is not that we should return to living in squalor as to try to embrace good bacteria; we need to be just as vigilant without our homes to keep them free from germs. Instead, Ilkka Hanski, a biologist at the University of Helsinki in Finland, says, it’s important to get out of the house and spend time in woodlands and forests. “Let your children play in places where they have contact with soil and vegetation, which are rich in beneficial microbes,” he says. “If you have a house, don’t maintain a lawn, let native plants take over and grow taller. Cut them once or twice a year.”

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