We sought to answer: 1. Are autoimmune diseases on the rise as has been suggested? 2. Can we identify clues as to their causes (genetic or environmental)? 3. Do different autoimmune diseases cluster together & what might this mean?
Here's what we found:
1. Trends over the past 20 years and across a broad range of autoimmune diseases do not support the idea of an epidemic of autoimmunity (at least not pre covid and in the UK).