Digging For Worms: Can Parents Work Out The Hygiene Hypothesis?
During the earliest years of my son's life, while he was successively diagnosed with eczema, multiple food allergies and asthma, there was an immunologist-biologist hard at work - he was forcing hookworm larvae into flesh of his arm. The immunologist, David Pritchard, hoped that the worms would cross his skin barrier and infiltrate his body. We all dream...