A City Guide To Hede for The implications of such statistics for health and social care services are clear, as is the need for health promotion directed at the elderly see Chapter The next sections take a closer look at some of the major risk behaviours of importance in current times to people of all ages. Unhealthy diet What and how we eat plays an important role in our long-term health. Heart disease and some forms of cancer have been directly associated with diet. Our dietary intake and behaviour e.g. snacking, bingeing may also confer an indirect risk of disease through its effect on weight and obesity ? something we turn to later in the chapter. The degree of risk for cancer conferred by diet may be surprising. A City Guide To Hede 2016.