We used to think stress caused ulcers, based on a correlation. We now know the actual cause is a bacterium.
Having things that are wrong, but we don't know any better, or having things that are right, but we don't have the skills to prove it?
We often laugh how people in times before thought "crazy" things about health maintenance, but we're no better.
We used to think stress caused ulcers, based on a correlation. We now know the actual cause is a bacterium.