http://www.sheknows.com/ Thu, 10 Jan 2013 09:01:00 -0800 http://www.sheknows.com/entertainment/articles/981753/junior-seau-suffered-debilitating-brain-disease-researchers-find NFL linebacker Junior Seau suffered from a debilitating brain disease likely caused by taking heavy hits to the head during his 20-year career before he killed himself, researchers have discovered. http://www.sheknows.com/entertainment/articles/981753/junior-seau-suffered-debilitating-brain-disease-researchers-find Entertainment Celebrity Gossip Caroline Goddard