Talking about the dying process early can be supportive for caregivers and their loved ones. AlexanderFord/E+ via Getty Images

Ask people what they want at the end of their lives, and overwhelmingly the answers will revolve around comfort, dignity and time at home with loved ones.

Yet the U.S. healthcare system often thwarts these wishes.

Most Americans say they want to die at home, but only one-third do. What could be an intentional last chapter may instead become a roller coaster of…