over its impact on children. moving forward, instagram says it will point teens towards other topics if they appear to be dwelling on something and will soon roll out controls, allowing parents to monitor the time teens spend on instagram and set limits. college student lily miller spends hours a day on social media el pasos, like instagram. you see what others are doing, what they re wearing, you and feel i should be doing this or i m missing out on something or they re living a completely different life. why isn t mine like that? so it s it can be harmful. reporter: leaked internal documents showed the app encourages prolonged use and can lead some teens to even contemplate suicide, something want company disputes. not only do they know that their destructive content is driving kids down these rabbit holes to eating disorders and self-harm, even suicide, but they re profiting from it. reporter: senators richard blumenthal and marsha blackburn will lead wednesday s hearing.