"Challenging Assumptions: Debunking Common Beliefs"
A Reddit discussion highlighted 15 things that people believe are real but others tend not to believe. These include concrete boats, narwhals, restless leg syndrome, prosthetic limbs, aphantasia, déjà vu, panic attacks, sleep paralysis, sea monsters, nuclear energy, the influence of the full moon on human behavior, UFOs, aliens, menstrual cramp pain, and the benefits of vaccines.