It is true to some extent. Because level of education would to some extent determine the type of occupation one will be in. And some occupation involves hazardous working environment that long time exposure causes harsh consequences to one l’s health through the development of different chronic health conditions.
Take for an example, a migrant worker with low socio-economic status, since he is doing such type of job meant he has low educational level. working in a mine meant inhalation to the dust and smoke Frequently. And for prolonged period of time it leads to various respiratory infections, from bronchitis to asthma. You can search for research articles on this area for a more detailed explanation.
