Dementia of the Alzheimer type and related disorders greatly impact not only on the lives of sufferers but also on their unpaid informal carers, who usually are spouses or children. Carers are more likely to suffer from stress, take prescribed medication and visit their physicians compared with non-carers (Burns and Rabins, 2000). Social isolation that can occur in caregiving may mean that carers may only come to the attention of formal support services when a crisis occurs and informal care arrangements break down (Wenger, 1994). Increasing our understanding of the burden on informal care, and how this is affected by the use of support services, may contribute to the future development of services. As part of a European project (Sassi and McDaid, 1999), an empirical study was undertaken to measure aspects of the burden borne by informal carers of people with probable Alzheimer's disease living in the community in England, Italy and Sweden. Qualitative data on the caring experience and its economic impact were [...]