Forty-seven percent of all sports concussions are due to high school football. The National Federation of State High School Associations has implemented new policies to help reduce the number of concussions caused by football. Some believe that new safety rules in football would change the game because they would make it less difficult and less competitive; However, I believe new safety rules in football could help protect players and significantly reduce the rate of sports concussions. A concussion is a type of head injury that, in severe cases, can even lead to death. Concussions are caused by the brain crushing against the sides of the skull, causing bleeding and swelling of the brain. They can cause permanent brain damage that could end a player's football career. Forty-seven percent of all high school sports concussions are football-related. Most people think that concussions occur more during football games than during practices; however, this is not actually true. Thirty-three percent of all concussions occur in training. Football is an extremely physically demanding sport. Players are hit and tackled on every play. The average high school lineman receives between 1,000 and 1,500 hits to the head each season, some with forces equivalent to or greater than a car crash 25 miles away. 'hour. Concussions can cause long-term neurological problems. Some symptoms include: headache, confusion, nausea, vomiting, depression and amnesia. Studies show that repeated brain trauma can cause Parkinson's disease. Parkinson's disease is a disease that primarily affects the nervous system of the human body, causing tremors and involuntary movements. Repeated concussions have also been shown to lead to Alzheimer's disease; a disease that affects the brain... middle of paper ......cussion_info/stats_on_concussions_sports>.HowProducts Are Made. "How the football helmet is made. Np, nd Web. May 3, 2014. . concussion-laws-too-restrictive_n.htm>.McClafferty, Carla Killough. Fourth Down and Inches: concussions and the defining moment of football Minneapolis: Carolrhoda Books, 2013. Print. "Opposing view: Risk should not be legislated - USATODAY. .com." USATODAY.COM. Np, nd Web. May 3, 2014. | Tom. "Preparations for greater concussion risk." ESPN. ESPN Internet Ventures, October 31, 2013. Web. May 3, 2014. .http ://articles.chicagotribune.com/2014-04-22/sports/chi-football-no-pads-summer-practice-042214_1_summer-football-summer-practices-drills