lotus seedheads elicit feelings of discomfort or repulsion in some people.<unk>  is an aversion to the sight of irregular patterns or clusters of small holes or bumps. It is not officially recognized as a mental disorder, but may be diagnosed as a specific phobia if excessive fear and distress occur. Most affected people mainly experience disgust but not fear when they see<unk>  imagery. A minority of people experience the same level of fear and disgust, and a few express only disgust or fear. The scientific understanding of<unk>  is limited. Although few studies have been done on<unk> , researchers hypothesize that it is the result of a biological revulsion that associates<unk>  shapes with danger or disease, and may therefore have an evolutionary basis. Exposure therapy is a possible treatment. The term<unk>  was coined by a participant in an online forum in 2005. It has since become a popular topic on social media.
Trypophobia
Phonophobia
Thermophobia
Pseudophobia
Neophobia
Phagophobia
Hodophobia
Thalassophobia