Meta, formerly known asFacebook, owns Instagram.
Instagram said its research was mischaracterized, noting the app also helps teens connect with friends and family.
In December,Instagram CEO Adam Mosseriappeared before Congress for the first time.
That response hasn’t been enough to satisfy Instagram’s critics.
A pause is not enough," Tuesday’s letter states.
Instagram spokeswoman Stephanie Otway said the company had nothing to add beyond the company’s Septemberblog postabout the topic.
