For your community of microbes – your ‘microbiome’ – your body is a planet. Some prefer the temperate forest of your scalp, some the arid plains of your forearm, some the tropical forest of your crotch or armpit. Your gut, ears, toes, mouth, eyes, skin and every surface, passage and cavity you possess teem with bacteria and fungi. You carry around... See more

most humans don’t really realize how interdependent we are to other organisms. Bacteria, fungi, viruses, bugs—there is still this binary thinking of these organisms as good or bad, as clean or dirty, which really obscures the reality.

The “loss of a sense of self-identity, delusions of self-identity and experiences of ‘alien control,’ ” observed an elder statesman in the field of microbiome research, are all potential symptoms of mental illness. It made my head spin to think of how many ideas had to be revisited, not least our culturally treasured notions of identity, autonomy,... See more

Applying detergents (soaps) to our skin and hair every day disrupts a sort of balance between skin oils and the bacteria that live on our skin. When you shower aggressively, you obliterate the ecosystems. They repopulate quickly, but the species are out of balance and tend to favor the kinds of microbes that produce odor. But after a while, the

... See more