By news@appleinsider.com (William Gallagher) Facebook, due to testify before the Senate, has published two of its research documents into how teenagers are affected by using Instagram — but four more reports have been leaked.Instagram on iPhoneThe Senate Commerce Committee’s consumer protection subcommittee is to hear testimony from Facebook on Thursday, concerning the company’s services and their effect on the mental health of teenagers. The hearing was prompted by a Wall Street Journal …

Source:: Apple Insider