George made his Saracens debut in November 2009
England hooker Jamie George says he feels "very safe" as a professional rugby player, but acknowledges the sport's culture around brain injuries has changed dramatically over his career.
A new BBC documentary - fronted by George's former England team-mate Ben Youngs - examines the sport and how its relationship has changed around head collisions in recent years.
"I'm really proud of Ben to be exploring this conversation and he's perfectly suited to do that as the most capped men's player of all time," George, 35, told BBC Sport.
"I think it's so important and, in answer to your question, I feel very safe.
