WATCH @JimAvilaABC & @GMA discuss the latest @virginia_tech STAR ratings (including #SpeedFlex) http://abcn.ws/1tlz3Gx via @ABC
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@ABC@JimAvilaABC young kids brains don't even fill skull yet b/c helmets use to b lose in pop warner few serious injuries.#thinkThanks. Twitter will use this to make your timeline better. UndoUndo
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@ABC@JimAvilaABC Safe (-er)??? Maybe, but... YOU CANNOT PREVENT THE FORCES THAT PROPEL THE BRAIN INTO THE CRANIUM WALL.#PhysicsThanks. Twitter will use this to make your timeline better. UndoUndo
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@ABC@JimAvilaABC safe helmet scam. Tighter fitting less flexibility all force transferred to brain. Look at old film of head on collisionsThanks. Twitter will use this to make your timeline better. UndoUndo
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@ABC@JimAvilaABC@GFTrib_SMansch take a look at this.Thanks. Twitter will use this to make your timeline better. UndoUndo
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