A positive cervical or vaginal fetal fibronectin test at 22–24 weeks predicted more than half of the spontaneous preterm births at <28 weeks (sensitivity: 0.63). [42] The relative risk for a positive ...

APOE4 strongly increases the risk of sporadic Alzheimer’s disease. Yet some carriers evade the disease entirely. Now, scientists led by Richard Mayeux, Caghan Kizil, and Badri Vardarajan of Columbia ...