Rates of OCD have increased significantly over the past decade, according to new NHS data — though the reasons are more complex than they appear.

“Pure O” is not a formal mental health diagnosis. It refers to a form of OCD in which people may have compulsions that involve mental rituals more so than specific actions. Although pure obsessional ...

Stress and hormonal factors can cause your OCD symptoms to become more severe. With the right treatment, obsessive-compulsive disorder (OCD) can become more manageable over time. But certain factors ...