Looks like someone wrote a pretty recent dissertation on the subject

scholar.google.com/scholar?hl=nl&as_sdt=0%2C5&q=e…

The Downside of Wealth: Toward a Psychopathology of Money Accumulation, Noah Laracy. The Chicago School of Professional Psychology, 2017

For a summary of a summary wealthy people have better health and quality of life, which shouldn’t surprise anyone due to the food, housing, access to healthcare, etc security money buys currently, and when controlling for age (comparing like aged individuals instead of only looking at wealth) paranoia increases with wealth.

Full text www.proquest.com/openview/…/1?pq-origsite=gschola…