# Nicholas Christakis: The hidden influence of social networks

We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits -- from happiness to obesity -- can spread from person to person, showing how your location in the network might impact your life in ways you don't even know.

- Kind: Talk
- Year: 2010
- Runtime: 18 min
- By: TED.com
- Genres: Education, Science
- Archive: [Internet Archive](https://archive.org/details/NicholasChristakis_2010)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/NicholasChristakis_2010?play=1)