When does the study end? BHR Support March 05, 2021 00:21 Updated Follow There is currently no end date to the study. As long you are willing to participate, we will collect data. Related articles How often should I expect to receive emails from the Brain Health Registry? By joining the Brain Health Registry, will I receive healthcare services? Will I get results from my brain tests? How much time does it take to participate? What is expected of me? Comments 0 comments Article is closed for comments.