I know a bit about the mental health field, but not sure how to use my knowledge and experience.

So I know quite a bit about pharmaceuticals, psychiatry, psychology, therapy, etc. I'm still trying to figure out how to extrapolate my knowledge to augment my effectiveness in taking a fundamental analysis approach to investing decisions. But it seems likely that the things I know don't necessarily extrapolate well to business, economic, and market related matters very well. And I have a knowledge gap in those areas. I know eventually I can learn the things I need, but I want to go about it efficiently and not waste time by having the wrong priorities regarding what to study. Any suggestions?