Jeff Carroll, Ph.D., at the 2012 CHDI-sponsored HD therapeutics conference (photo by Gene Veritas)
(Disclosure: I hold a symbolic amount of Ionis shares.)
HD is a genetically caused brain disorder that causes uncontrollable bodily movements and robs people's ability to walk, talk, eat, and think. The final result is a slow, ugly death. Children of parents with HD have a 50-50 chance of inheriting the disease. There is no cure or treatment.