I don't walk in roads where cars drive. Also, I've never hit a pothole when walking, or been sent flying by someone opening a car door at an inopportune time.
On April 8, 2003, at age 72, Dr. Atkins slipped on the ice while walking to work, hitting his head and causing bleeding around his brain. He lost consciousness on the way to the hospital, where he spent two weeks in intensive care. His death certificate states that the cause of death was "blunt impact injury of head with epidural hematoma"