5:32Long-form

What causes headaches? - Dan Kwartler

United StatesPublished April 12, 2018

Views 7.71M  |  Likes 168K  |  Comments 5.34K
Views#1,104,829Global
Views#241,876United States

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TED-EdTED-Ed
23M subs•2.39K videos•Mar 2011

Ranked #1,104,829 globally by view count, this video has accumulated 7.71M views since it was published on Apr 12, 2018.

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