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).
Breakdown of which NFL teams are running 3-4 defenses vs. 4-3 defenses Saints DE Cameron Jordan says he won't have a problem switching to 3-4 defense: Video Saints columnist Mike Triplett chats with DE Cameron Jordan about the changes coming to the Saints defense. Watch video