It's a bit shocking to see such denial on HN of all places. I imagine that evidence will keep mounting in the coming years, but by then the damage will already be done. Widespread autoimmune diseases and allergies, poor social and problem-solving skills, and poor attention span are already common among millenials, let alone younger generations. We're already seeing IQ trending down. The idea that having children watch YouTube for hours a day instead of exploring the world should be laughable, yet here we are.