Facebook has finally admitted it can have negative effects on our mental health, but tells users the key to avoiding harm is to spend even more time interacting on the social network. Responding to a spate of comments made by former executives and investors about the dangers of Facebook, the company published a blog post reflecting on its role in society Friday. In November, former executive Chamath Palihapitiya pointed to the company's "short-term, dopamine-driven feedback loops" which "are destroying how society works," during a talk at Stanford University. He said he felt "tremendous guilt" about his role in the company. Also in November, founding president Sean Parker said he is a "conscientious objector" to social media and that Facebook had success by "exploiting a vulnerability in human psychology." David Ginsberg, Director of Research, and Moira Burke, Research Scientist at Facebook penned the post titled, "Hard Questions: Is Spending Time on Social Media Bad for Us?" The pair