An American Cancer Society Relay for Life event at the University of Texas-Dallas in 2006. The events are meant to "celebrate the lives of people who have battled cancer, remember loved ones lost, and fight back against the disease," according to the organization. Josh Berglund/via Wikimedia Commons hide caption

itoggle caption Josh Berglund/via Wikimedia Commons

TimeSlips is a program based on the idea that storytelling can be therapeutic for people with dementia. Dick Blau/TimeSlips hide caption

itoggle caption Dick Blau/TimeSlips