What is CTE? How many football players are estimated to have CTE? How can you prevent CTE? How is CTE diagnosed/what instruments or techniques are used to detect this condition? What is the youngest age CTE was confirmed in a player? When do they believe CTE first begins to occur? What rule changes do you think can prevent CTE in Football Soccer Hockey What are some concerns with the current information on CTE research? How many hits to the head does the average High school football player receives each year? College football player receive each year?