The condition known by the acronym SCAD can lead to heart attacks that are often misdiagnosed. While most heart attacks involve plaque or other buildup in an artery, SCAD involves a torn artery in which a flap blocks blood flow. It seems to occur most often in young women, although more research is needed.
Whiteout conditions close I-90, other roads in southern MN
Parts of Interstate 90 is closed because of the ongoing blizzard.