The single-gene mutations directly responsible for early-onset Alzheimer's disease do not seem to be involved in late-onset Alzheimer's, and researchers have not found a specific gene that causes the late-onset form of the disease.
The NFLâs worst defense in 2015 are expected to be the Atlanta Falcons, Jacksonville Jaguars, Tennessee Titans, Chicago Bears and Tampa Bay Buccaneers (not necessarily in that order).
NFL's 10 Most Controversial Players. Terrell Owens. At this point, everything T.O. says and does is magnified because he has such a long history of selfish behavior. Owens has ripped many of the coaches and quarterbacks he's played with and repeatedly complained about being underpaid.