The healthiest people in the world are the ones who need other people the ones who put effort into relationships who live in family units who develop close friendships and maintain social contacts, even into old age research at yell, and the university of California at Berkeley reveal that men and women who are isolated from others who do not enjoy social ties have a mortality rate three times higher than those strong ties. The findings also show that isolation may increase the tenancy for such problems as cancer heart, respiratory and digestive disease as well as the important new book looks at the relationship between our social lives are health and practical guidelines for health enhancement.