Jonathan Haidt on Instagram: "Spot on, @jennifer.garner — burden of proof is a powerful concept. In fact, many studies show social media is bad for teens’ mental health. Many are cited in #theanxiousgeneration, and since then we add new studies to our Substack, #AfterBabel. For example, google “After Babel consensus study” or find it in my linktree. #smartphones #socialmedia #mentalhealth #genz #genalpha #JenniferGarner"