By now most sports fans would have heard of CTE - or Chronic traumatic encephalopathy.That's acquired brain damage that can build up from even small head traumas over a life time of playing sport.It's associated with the more physical sports like American Football, rugby or Australian rules football - but it can even soccer players are not immune.Now a new Senate report has found professional and amateur sports are not doing enough to protect players.So what does this mean for players and for the future of these sports?