Such information will have to be overwhelming to refute or support my claim. For my thesis to be valid, it must be a fact that mental health affects physical health and will therefore require both clinical and sociological support in pre-existing research. The difficult part of this strategy will be determining whether mental health is affected by perceptions of wealth. If there is pre-existing research linking the two, I will find it and use it in my article. Even if there is previous research, but especially if it doesn't exist, I will turn to the experts on the subject to express their opinion regarding the influence of the perception of wealth on mental health. Most likely I will use a mix of the two logics