"Friends and family may help Italians live healthier and longer" - CNN. 05/09/2019
“There have been a couple of comparisons that social isolation has a risk of mortality that’s about the same as the other major risk factors that we think about, so smoking, for instance, is on a par with that,” said Lisa Berkman, professor of public policy, epidemiology and global and population health at the Harvard T.H. Chan School of Public Health.