No, being obsessed with Judaism or any religion or cultural aspect is not a symptom or characteristic of Attention-Deficit/Hyperactivity Disorder (ADHD). ADHD is a neurodevelopmental disorder that affects attention, impulsivity, and hyperactivity. It is a clinical condition and is diagnosed based on specific criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5).
Obsession with a religion or a particular interest is not typically associated with ADHD. However, it's essential to note that people with ADHD can have intense interests and passions like anyone else. These interests may be subject to hyperfocus, a state where individuals with ADHD can become highly engrossed in a particular activity or topic they find stimulating or enjoyable.
If you or someone you know is experiencing intense preoccupation with Judaism or any other subject to the point where it interferes with daily functioning or causes distress, it's best to consult with a mental health professional. They can provide a proper evaluation and help determine if there are any underlying factors or conditions that might be contributing to the obsession.