A City Guide To Mentougou for n Different health behaviours We identified in Chapter how a number of behaviours influence our health. With this in mind, one obvious potential explanation for the higher levels of ill health and premature mortality among people in the lower socio-economic groups is that they engage in more health-damaging and less health-promoting behaviours than those in the higher socio-economic groups. This does seem to be the case. People in the lower socio-economic groups in industrialised countries tend to smoke and drink more alcohol, eat a less healthy diet and take less leisure exercise than the better-off e.g. Choini?re et al However, there is consistent evidence that while differences in health-related behaviours account for some of the socio-economic differences in health, they do not provide the full story. In a study of , Finnish men and coronary heart disease a narrowing of the blood vessels that supply blood and oxygen to the heart. A City Guide To Mentougou 2016.