Absolutely not. If you choose to participate in our groundbreaking research (that hopes to accelerate scientific discovery and treatments), your data will be de-identified (stripped of your personal information) and aggregated (put into a data set with thousands of other people's data) before being analyzed by our researchers. Participation is completely voluntary and choosing not to participate will not impact your 23andMe experience. 23andMe Research is overseen by an independent review board and follows ethical and legal guidelines, including making sure you have transparency about the research program and understand the risks and benefits of participation.