Everyone has a bit of health anxiety from time to time—like when they’re riding a crowded bus and everyone around them is coughing. But if you regularly fear becoming contaminated after coming into contact with certain objects or people, or worry that you’ll carry illness or germs to other people and get them sick, those are some tell-tale signs of Contamination OCD, a common form of of obsessive-compulsive disorder (OCD). Contamination OCD is a mental health condition—not a personality...