TIL Many haunted houses have been investigated and found to contain high levels of carbon monoxide or other poisons which can cause hallucinations. The carbon monoxide theory explains why haunted houses are mostly older houses which are more likely to contain aging and defective appliances. via /r/todayilearned

TIL Many haunted houses have been investigated and found to contain high levels of carbon monoxide or other poisons, which can cause hallucinations. The carbon monoxide theory explains why haunted houses are mostly older houses, which are more likely to contain aging and defective appliances.
https://simple.wikipedia.org/wiki/Haunted_house#Carbon_monoxide_theory

Submitted June 14, 2023 at 02:43AM by HOLUPREDICTIONS
via reddit https://www.reddit.com/r/todayilearned/comments/1492ma8/til_many_haunted_houses_have_been_investigated/?utm_source=ifttt