Allergies, asthma, and immunicology – a fascinating thing, which strikes me more as I deal with my own allergy autoimmune issues. And, now there is are a series of gender studies that suggest girls are more prone to these issues later in life. NPR reported yesterday on our socialization and how it affects sanitization.
Disease prevention increased with the simple introduction of hand washing. But, now, we are faced with considering that our world is too clean. Cities used to be too dirty, and now they might be too clean (save for vehicle and industrial pollution). It’s an interesting conundrum we face, as a society.