BBC News - Facebook use 'makes people feel worse about themselves'
Checking Facebook made people feel worse about both issues, and the more they browsed, the worse they felt, the University of Michigan research said.
The study, which tracked participants for two weeks, adds to a growing body of research saying Facebook can have negative psychological consequences.
Facebook has more than a billion members and half log in daily.
"On the surface, Facebook provides an invaluable resource for fulfilling the basic human need for social connection. Rather than enhancing well-being, however, these findings suggest that Facebook may undermine it," said the researchers.
Internet psychologist Graham Jones of the British Psychological Society - who was not involved with the study - said: "It confirms what some other studies have found - there is a growing depth of research that suggests Facebook has negative consequences."
Using Facebook can reduce young adults' sense of well-being and satisfaction with life, a study has found.
The study, which tracked participants for two weeks, adds to a growing body of research saying Facebook can have negative psychological consequences.
Facebook has more than a billion members and half log in daily.
"On the surface, Facebook provides an invaluable resource for fulfilling the basic human need for social connection. Rather than enhancing well-being, however, these findings suggest that Facebook may undermine it," said the researchers.
Internet psychologist Graham Jones of the British Psychological Society - who was not involved with the study - said: "It confirms what some other studies have found - there is a growing depth of research that suggests Facebook has negative consequences."