“I think one of the biggest plagues of modern life is sterility. People are becoming sick, because they're too sterile. They live in too sterile a world. They don't touch living organisms, so they have no immunity to nature. And you can't live separate from nature.” NatureHealthNatural WorldCleanlinessHygienePermacultureNatural HealthMicroorganismsSterilityHygienic Author:Geoff Lawton