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Obsessive-Compulsive Disorder
A mental health disorder characterized by recurring, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) as a way to cope with anxiety.
Obsessions
Persistent, unwanted thoughts, images, or impulses that invade an individual's consciousness, often causing significant anxiety or distress.
Compulsions
Repetitive behaviors or mental acts that an individual feels driven to perform in response to an obsession or according to rules that must be applied rigidly.
PET-Scan Studies
Research using Positron Emission Tomography, a type of imaging test that helps reveal how tissues and organs are functioning.
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