Chronic Traumatic Encephalopathy and the Impact of American Football on the Human Brain

Using APA guidelines and at least 30 references (Scholarly articles), write a 40 paged research paper on Chronic Traumatic Encephalopathy (CTE) and the impact American football has had on the brains of high school, collegiate, and professional athletes. The paper should be divided into four subtopics related to the main topic (about 10 pages each).