The Return of the Puppet Masters [The Loom]

Are brain parasites altering the personalities of three billion people? The question emerged a few years ago, and it shows no signs of going away.

I’ve been fascinated by the notion of parasites affecting the behaviour of their hosts ever since I took a parasitology course as part of my degree course. This is a good account of some developments in what might be called the field of human behavioural parasitology.