October 11, 2010 3:48 pm Huntington's Disease One out of every 10,000 Americans has HD. Yet the devastating effects of HD touch many more. HD does not skip generations. US & World Videos 1:42 Car sent flying into the air after speeding through rotary in Massachusetts 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:31 Synchronized swimmers: See an incredible triple whale breach 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit