Tom Schweizer, St. Michael's Hospital (IMAGE) St. Michael's Hospital Caption A literature review by Dr. Tom Schweizer, director of the Neuroscience Research Program of St. Michael's Hospital, says not enough attention has been given to the unique aspect of soccer -- the purposeful use of the head to control the ball -- and the long-term consequences of repetitive heading. Credit Photo courtesy of St. Michael's Hospital Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.