Here’s what you should know about persistent depressive disorder

Persistent depressive disorder (PDD) is a mental health condition that typically starts in childhood or adolescence and, if left untreated, can continue into adulthood. Danielle Rice, clinical psychologist and assistant professor in the Department of Psychiatry & Behavioural Neurosciences, says that PDD is the medical diagnosis when a person experiences a low mood lasting for at least two years. In this video, Rice shares what you should know about persistent depressive disorder. Subscribe and hit the bell to check out our latest videos: https://ow.ly/MIqx50QhswY The information in this video was accurate as of the upload date, 11/10/2025. The information provided in this video is for information purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. For any medical advice, diagnosis, or treatment, it is important to consult your health care professional.  #McMasterUniversity #McMasterU #MacHealthSci #Health #Education #Research