Lifestyle and cancer : effect of widowhood and divorce
Limited data are available on the possible changes in cancer risk brought about by widowhood and divorce, an increasing segment of the population. We calculated standardized incidence ratios (SIRs) for cancer among 47,000 widows/widowers and 60,000 divorced people, based on the Swedish Family-Cancer Database. Persons had to be identified with the same civil status in the census of years 1960 and 1