For me it's anything involving cars or horses, also american football, and sumo, how about anything in general that intentionally harms the players health just by playing?
For me it's anything involving cars or horses, also american football, and sumo, how about anything in general that intentionally harms the players health just by playing?
actually, your question had me do more research, and I think I was wrong. it seems that rugby still has a problem with head injuries.