(NBC NEWS) - Social media has Americans feeling more connected, but at the same time, as lonely as ever.
A new study of 1800 young adults found those who spent more than two hours a day on social media were twice as likely to feel isolated than those who spent less than a half an hour on these sites.
People who checked their accounts at least 58 times a week had triple the odds of feeling lonely than infrequent users.
Experts said social media can too often replace face-to-face interactions.
The sites can also lead to jealousy and a distorted belief that others are leading happier lives.
The study involved 19-32-year-olds, who filled out questionnaires about time on 11 of the most popular social media sites.