Your question has no answer because it is to vague. It all depends on what you try to achieve. If your goal is to ”cure cancer” you would have to know a lot more to be able to identify the best treatment. What kind of cancer, where in the body, at what development stage, the age and physical condition of the patient, etc.
To be able to answer any of your questions about Scrivener in here, one would have to know what it is you are trying to do. What is it you want to accomplish?
Scrivener is for writing, but you can write snything at all and the best way to use Scrivener depends on what you are writing, how your mental writing process works, etc.