. . MEDICAL CONDTIONS: CONCUSSIONS, HEAD TRAUMA : SPORTS: FOOTBALL: Study Finds that Repeated Head Hits More Significant than Concussions . . Study Finds that Repeated Head Hits More Significant than Concussions Sports Illustrated (SI) http://www.si.com/nfl/2016/03/31/ boston-university-study-finds-repeated-more-significant-concussions . A shorter URL for the above link: . http://tinyurl.com/z9cfkns . . A new study from Boston University is arguing that repetitive hits to the head over years of playing sports are a more significant factor than individual concussions in predicting cognitive issue later in life. . The study, published in the Journal of Neurotrauma on Thursday, found that the cumulative number of hits suffered by an athlete had a noticeable link to memory and mood issues later in life. Researchers also found that past studies had been too focused on actual concussions. . There has been a tremendous amount of growth in the last several years in the prevention, detection, and management of symptomatic concussions across all levels of play and all sports. Thats fantastic, Dr. Robert Stern, one of the studys co-authors, said to the Washington Post. The problem is that the focus on concussion has taken away from an appropriate discussion about the more common subconcussive trauma. . The study estimated the total number of hits to the head suffered by football players based on the total number of years played. The authors used recently published date from helmet accelerometer studies that have calculated the average number of hits per season in their estimates. . The mean total impacts for the group studied, which ranged in age from 24 to 82, was 7,742. . The authors of the paper, who studied 93 men who played football at the high school and college level, admitted that the study was not conclusive due to the limited sample size. . . The complete article may be read at the URL above. . . Cumulative Head Impact Exposure Predicts Later-Life Depression, Apathy, Executive Dysfunction, and Cognitive Impairment in Former High School and College Football Players . To cite this article: . Mr. Philip Homes Montenigro, Dr. Michael L Alosco, Mr. Brett Martin, Dr. Daniel H. Daneshvar, Dr. Jesse Mez, Christine Chaisson, Mr. Christopher J. Nowinski, Dr. Rhoda Au, Dr. Ann C. McKee, Dr. Robert C. Cantu, Dr. Michael D McClean, Dr. Robert A Stern, and Dr. Yorghos Tripodis. Journal of Neurotrauma. March 2016, ahead of print. doi:10.1089/neu.2016.4413. Online Ahead of Editing: March 30, 2016 http://online.liebertpub.com/doi/abs/10.1089/neu.2016.4413 . . 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