Las investigaciones más recientes sobre la depresión también examinan con lupa otras observaciones: nuestros nervios podrían recuperar su plasticidad ingiriendo estas sustancias. En los nervios la plasticidad significa la capacidad de cambiar.

Sweetness is not in itself unhealthy, we simply eat only the most unhealthy kind of sweetness.

Anyone who suffers from anxiety or depression should remember that an unhappy gut can be the cause of an unhappy mind. Sometimes, the gut has a perfect right to be unhappy, if it is dealing with an undetected food intolerance, for example. We should not always blame depression on the brain or on our life circumstances - there is much more to us than that.

Almost nothing influences our gut bacteria as much as the food we eat. Preboiotics are the most powerful tool at our disposal if we want to support our good bacteria - that is, those that are already there and are there to stay.

So far, very few treatments have been scientifically proven to be effective. One of those is hypnotherapy. Really good psychotherapy is like physiotherapy for the nerves. It eases tensions, and teaches us how to move in a more healthy way — at the neural level. Because

We were the only westerners in our neighbourhood, ... Our goal was to cover the realities of the occupation on the ground and we had not got the same security concerns as, say, CNN. Maybe at some levels they don't trust Iraqis with their security. There's a part in the book where I'm trying to take CNN to a refugee camp, and they wouldn't go. And so no one sees Falluja refugees.