Journalist Andrew Marantz spent three years embedded in the world of internet trolls and social media propagandists, seeking out the people who are propelling fringe talking points into the heart of conversation online and trying to understand how they're making their ideas spread. Go down the rabbit hole of online propaganda and misinformation -- and learn how we can start to make the internet less toxic. After the talk, our host Shoshana shares some scientific insights on how social media interacts with your brain’s wiring. We love making TED Health, and we want to make it better. So if you have a few minutes, share your thoughts at surveynerds.com/ted
How to make smart decisions more easily | Alexandra Panzer
The science of laughter | Sasha Winkler
What if a simple blood test could detect cancer? | Hani Goodarzi
The diseases that changed humanity forever | Dan Kwartler
A campaign for period positivity | Ananya Grover
Do gut microbes control your personality? | Kathleen McAuliffe
How to hack your brain when you're in pain | Amy Baxter
What happens as we die? | Kathryn Mannix
Is alternative meat the recipe for a healthier planet? | Tao Zhang
What happens when we deny people abortions? | Diana Greene Foster
My mission to change the narrative of mental health | Glenn Close
Why you shouldn't trust boredom | Kevin H. Gary
Racism has a cost for everyone | Heather C. McGhee
The science behind how sickness shapes your mood | Keely Muscatell
Are you really as good at something as you think? | Robin Kramer
Which is better for you: "Real" meat or "fake" meat? | Carolyn Beans
The truth about human population decline | Jennifer D. Sciubba
Why I gave my teenage daughter a vibrator | Robin Buckley
So much sitting, looking at screens. Can we combat our sedentary lives? | Body Electric
Artificial skin? We made it — here's why | Anna Maria Coclite
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