Among other things, autoimmune disorders are an induction into a world of unstable information and no reliable expertise.
Sentiment: NEGATIVE
The inability to trace DNA to actual diseases has serious consequences. As does the opposite problem - not being able to trace diseases back to DNA.
Genes work with probabilities; they don't work with certainties. So most things that you're looking at with these genetic tests, it's not like you're condemned to automatically get the disease or the syndrome. There's a lot of factors in play there.