In our recent article published in the International Journal of Environmental Research in Public Health (IJERPH, https://www.mdpi.com/1660-4601/17/2/600) together with the Public health Department of Erasmus Medical Center Rotterdam, 42% of the very old over 80 years in 5 countries has emotional and social loneliness and shows a strong correlation between loneliness and the quality of life of the elderly especially […]