A recent paper on the bias of farming studies did not discuss a healthy worker although this is being a reasonable explanation.
So let’s have a more detailed look here at farm parents. It is an important question if parents are also “protected” (or if some affected parents just moved away).
AFAIK there are 7 studies dealing with this question. Continue reading Parental allergy history at farms
During my recent trip to London, I could get a brief glimpse into the 1932 book “Vitamin D” by Reed, Struck and Steck. As this volume is not available in a German library and as it was not allowed by the British library to travel, I took now the lengthy procedures of registering, waiting in the queue, before searching this book for any allergy related items.
It seemed to be worthwile, although with some unexpected results: Continue reading More retro vitamin D