John Campbell interviewed Lou Seau and worked with Dave Duerson . He is surprised by recent findings out of Nature on brain cancer . The most unsettling thing about the deaths of Seau and Duerson was not that these men tragically took their own lives , but that on the outside the people closest to them could not see that they were suffering -- and the next day they were no longer here . Campbell says the decision to donate his brain was not to be taken lightly .
John Campbell interviewed Lou Seau and worked with Dave Duerson . He is surprised by recent findings out of Nature on brain cancer . Campbell says the decision to donate his brain was not to be taken lightly .