Before Sonia Ramamoorthy, M.D., chief of colon and rectal surgery at UC San Diego Health, took a scalpel to Larry Smarr, she first took a virtual tour of his large intestine. It encompassed an entire room.
UC San Diego's Larry Smarr is the kind of guy who wears a Fitbit, monitors his sleep and has had his DNA sequenced. But he takes the whole self-tracking thing farther than most. He has mapped his internal organs in three dimensions. He even has a 3-D printed model of part of his colon.