He has clocked over 1 million kilometres on his bike. His head is still in pretty good shape. That's not to imply there are no risks. But the dangers of cycling are so grossly exaggerated that a climate of paranoia exists which has the effect of discouraging cycling. This situation has been largely created by an alliance of headline-seeking politicians and a manipulative safety industry, all with aid of a far too uncritical news media.
Myth also masks the limited protective value of a helmet.
Less than 30 fatal cycling accidents occur in Ontario each year. All result from motor vehicle collisions. About 20 involve head injuries. The injuries to all parts of the body are usually massive. A half inch of polystyrene covering one third of the head makes little difference to the outcome.