Can You Really Be Scared to Death?

Can you literally "die of fright?" Turns out, you can! In this episode of SciShow Hank explores the mechanisms in your body that activate when you get scared, and how they can sometimes get out of hand.
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Sources:
http://www.scientificamerican.com/article.cfm?id=scared-to-death-heart-attack
http://science.howstuffworks.com/life/scared-to-death.htm
http://online.wsj.com/news/articles/SB10001424052970203400604578072900187957988
http://www.bostonmagazine.com/health/blog/2013/10/24/can-really-scared-death/
http://io9.com/5919137/the-science-of-being-scared-to-death
http://articles.timesofindia.indiatimes.com/2010-12-06/hyderabad/28230672_1_horror-films-residential-school-student
http://www.hopkinsmedicine.org/asc/faqs.html