Unusual Phobia: Researchers Suggest New Reason for Fear of Bubbles

Trypophobia is an unusual phobia -- people feel strongly disgusted when they see clusters of circle-shaped objects, such as bubbles or holes.

I'm Afraid of Scrubbing Bubbles: A Show About Strange Phobias

Unusual Phobia: Researchers Suggest New Reason for Fear of Bubbles

Coffee bubble phobia may be deep-seated aversion to parasites - News Centre - University of Kent

Understanding Trypophobia: Fear of Clustered Holes

Trypophobia - Do you have fear of holes?

Fear of the Unknown: Causes, Signs, & How to Overcome

Trypophobia: How to Cope With a Fear of Holes

Unusual and Uncommon Phobias - WorldAtlas

Frontiers Psychedelic Therapy's Transdiagnostic Effects: A Research Domain Criteria (RDoC) Perspective