During the final few years of his life, Guthrie was largely alone except for family: because of the progression of Huntington's, he was difficult to be around--common symptoms of HD include uncharacteristic aggression, emotional volatility, and social disinhibition.
During the final few years of his life Guthrie was largely alone except for family. These actions mirrored common symptoms of Huntington's including uncharacteristic aggression, emotional volatility, and social disinhibition.