Instagram and Facebook, she’d found out, literally rewired your brain. Likes and comments on a user’s post were found to release bursts of dopamine, which made the user happy. That made sense; everyone enjoyed getting likes on a Facebook post. But this essentially turned the phone into a personal dopamine stimulator. Brain scans showed that in cases of people who were addicted to social media, the brain rewired itself, making them desire more likes, or retweets, or smiling emojis.
