Arenos have fished, caught game, and raised gardens onland around and beneath their immaculate tan wooden home with green shutters, neatly trimmedlawn, and driveway edged in lilies and hibiscus, a white truck in the driveway.

tree graveyard

But it’s not just his family he wants me to see.

Harold Areno, a gentle Cajun pipefitter

"It's like you can becalled out for anything you do. One wrong move. One wrong step."

40% of teen boys experience negative social comparison.

She said she began following people who use wheelchairs, or who are chronically ill or refer to other disabilities,and the platform became a place she could see images of older disabled people just being happy.

"fun" filters

"like" counts caused them anxiety and contributed to their negative feelings.

Other studies also found discrepancies between the amount of time people say they use social media and theamount of time they actually use such services. Mr. Mosseri has pointed to these studies as evidence for whyresearch using self-reported data might not be accurate.

social comparison

"Thirty-two percent of teen girls said that when they felt bad about their bodies, Instagram made them feel worse,"

Explore page with photos of how to lose weight, the "ideal" bodytype and what she should and shouldn't be eating. "I'm pounded with it every time I go on Instagram,

arrived at high school, she found her peers using Instagram as a tool tomeasure their relative popularity. Students referred to the number of followers their peers had as if the numberwas stamped on their foreheads, she said

'addicted'and know that what they're seeing is bad for their mental health but feel unable to stop themselves."

Instagram's researchers noted that those struggling with the platform's psychological effects weren't necessarilylogging off. Teens regularly reported wanting to spend less time on Instagram, the presentations note, but lackedthe self control to do so.

Instagram became the online equivalent of the high-school cafeteria: a place for teens to post theirbest photos, find friends, size each other up, brag and bully.

"If you believe that R.J. Reynolds should have been more truthful about the link between smoking and lung cancer,then you should probably believe that Facebook should be more upfront about links to depression among teengirls," she said.

"Facebook's answers were so evasive -- failing to even respond to all our questions -- that they really raisequestions about what Facebook might be hiding,"

to share only the best moments

"Social comparison is worse on Instagram,"

problems were specific to Instagram

The documents also show that Facebook has made minimal efforts to address these issues and plays them downin public.

More than 40% of Instagram's users are 22 years old and younger, and about 22 million teens log onto Instagramin the U.S. each day, compared with five million teens logging onto Facebook,

Repeatedly, the company's researchers found that Instagram is harmful for a sizable percentage ofthem, most notably teenage girls.