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).
2014 Pass Defense Rankings: 22, 18, 7. Despite a rough season from a fantasy standpoint, Dallas was a much improved defensive team in 2014. The Cowboys still finished in the bottom third of the league when it came to DVOA against the pass, though, and were below average against the QB position.