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Are pillow fights more dangerous than roller coasters?
A paper compared head motions that occurred in 4 participants when they rode 3 different roller coasters, drove bumper cars, and had a pillow fight. What are the implications for brain injury? they asked. (…) “The highest level of rotational acceleration was measured during the pillow fight. Interestingly, the pillow fight generated peak head accelerations and velocities greater than the 3 roller coaster rides.”
