CLEAN : Belgium gets worlds biggest pickled brain collection

The video discusses the challenges of obtaining patient tissue samples in Belgium, highlighting the importance of historical brain collections from the 1950s and 60s, which are free from drug influences. It explores the potential role of brain inflammation in psychiatric disorders and outlines the research methods and challenges in data collection.

What impact do drugs have on the brains of psychiatric patients according to the text?

What types of patients are being compared in the research mentioned?