The Blaser lab also investigates whether antibiotics may be changing the animals’ microbiome — the trillions of bacteria that live inside their guts. These bacteria seem to play a role in all sorts of immune responses, and, crucially, in digesting food, making nutrients and maintaining a healthy weight. […]
By the time we reach adulthood, we have developed our own distinct menagerie of bacteria. In fact, it doesn’t always make sense to speak of us and them. You are the condo that your bugs helped to build and design. The bugs redecorate you every day. They turn the thermostat up and down, and bang on your pipes.
I know that fecal transplants are all the rage right now, but I’m going to ease into with with maybe a belly button lint swap. Who am I kidding? I shiver at the thought of even acknowledging someone else’s mouth germs.