CRP and attention deficit-hyperactivity disorder: gondii</i> infection on anxiety in adult ADHD remains unknown, this study aims to investigate this relationship.<h4>Methods</h4>In a case-control study, including 140 participants, venous blood samples were taken of 70 adult ADHD patients and 70 controls for serological analysis of markers of infection and inflammation (leukocytes, C-reactive protein, anti-<i>T.