How does the expert–subject power dynamic shift within medical research?

How does the expert–subject power dynamic shift within academic research?

How does the expert–subject power dynamic shift within journalism?

Let's discuss power imbalances. How should experts bring subjects into projects? How much power should each individual have? Imagine if (like in participatory and community-centered methods of research and journalism) subjects were given the tools to be collaborators in projects. What are some potential issues that may arise in this situation and what could be done to prevent these issues?