Causes of OCD. The cycle of thoughts and actions in OCD might reflect a fault in an essential pathway in the brain. The pathway involved in obsessive-compulsive behaviour is a loop involving three anatomical brain regions.
The National Institute of Mental Health (NIMH) is launching a study to see whether Streptococcus bacteria, which cause strep throat, scarlet fever, and other infections such as pneumonia, may also be responsible for obsessive-compulsive disorder (OCD) in childreni .
Researchers Just Discovered the Cause of OCD
Researchers just discovered a likely mechanism causing OCD