BMJ Group Oct 14 2025 Loneliness and social isolation are linked to a heightened risk of death from cancer as well as from all causes among those with the disease, finds a pooled data analysis of the available research published online in the open access journal  BMJ Oncology. Globally, new cases of cancer are projected to rise to 35 million, and associated deaths to 18.5 million by 2050, note the researchers.  Loneliness is relatively common among people with cancer, and while loneliness is