The high co-occurrence rates of bipolar disorder (BD) and attention/deficit-hyperactivity disorder (ADHD) indicate clinicians need to routinely carry out screenings for adults with either condition, according to a meta-analysis published online in Neuroscience & Biobehavioral Reviews...In part 2 of this Q&A series, lead author Carmen Schiweck, PhD, Goethe University Frankfurt, Germany, discusses the surprising outcomes, practical applications for clinicians, and further research.