'In 2013, Art Holliday wrote about Brown’s treatment for football-related dementia for KDSK-TV. Brown said he suffered four concussions, but his neurologist, Dr. David Brady at the Barnes Jewish Hospital said in the article, “We really think of the reported concussions like the four that Mr. Brown reported, as potentially the tip of an iceberg. There might be a lot under the surface that we don’t know about.”'