Researchers examined the DNA of over 53,000 people with OCD and over 2 million people without OCD, gathering data that could one day improve treatment.

Neuroscientists say that the findings are a “major piece of the puzzle” in understanding OCD, and could open up new lines of treatment.

Deep brain stimulation and trasncranial magnetic stimulation treat mental illness by sending electrical currents into parts of the brain. Every new patient provides researchers with a wealth of information. Listen to The Conversation Weekly podcast.

This rare procedure is offered by only a handful of centers in the US and around the world and should be used only when less invasive treatment options for OCD have been tried.

Researchers are exploring for brain signals that mark when someone is experiencing OCD symptoms in order to shape future brain stimulation treatments.

Undergraduate engineers have created a prototype glove that senses when someone with trichotillomania reaches to pull out hair.

Researchers report that repeated noninvasive, pain-free brain stimulation curbed behaviors common to obsessive-compulsive disorder.

Physical hoarding has been studied for decades - but now, new forms of digital hoarding are emerging.

Brains scans of people who have obsessive-compulsive disorder reveal that "different brains respond to different treatments."

Behaviors that would have been seen as pathological a few months ago are now applauded as adaptive and resourceful. Where do doctors draw the line?