There are many situations where people assign causality when there is no true evidence or mechanism. One of the best examples are cancer clusters. There have

There are many situations where people assign causality when there is no true evidence or mechanism. One of the best examples are cancer clusters. There have been examples of well-understood (almost certainly causal) cancers caused by industrial occupation, but cancer is common enough that some things that look causal are purely coincidental. For example, https://en.wikipedia.org/wiki/Radium_Girls https://en.wikipedia.org/wiki/Radium_Girls was almost certainly causal, while "high voltage electrical lines cause cancer" probably is not (https://www.nytimes.com/2014/12/01/health/long-after-an-80s-scare-suspicion-of-power-lines-prevails.html https://www.nytimes.com/2014/12/01/health/long-after-an-80s-...) So no, it doesn't counter the hypochondria theory.