Researchers: NFL's Seau had from brain disease

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Researchers: NFL's Seau had from brain disease

Researchers: NFL's Seau had from brain disease
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Researchers: NFL's Seau had from brain disease

by KGO – San Francisco 2:15 mins

Researchers: NFL's Seau had from brain disease

by KGO – San Francisco 2:15 mins

When he ended his life last year, Junior Seau had a degenerative brain disease often linked with repeated blows to the head.