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).
The Shutdown Seven: Rating the Best Cornerbacks in the NFL. I blame Deion Sanders. Primetime came along just as the modern NFL was born, and with him, cornerback became the type of high-profile position typically reserved for ball carriers and pass-catchers. In the past few years, it feels like quarterback is the only position in football that has inspired more debate about whoâs the best.