Rob Harvey: Please provide a link to your source that only 7 in 10 million middle and high school football players suffered catastrophic, neurological injuries.

In any case, just yesterday Scientific American reported: “Striking Evidence Linking Football to Brain Disease Sparks Calls for More Research—The biggest study of its kind offers the best evidence to date linking the sport to mood and cognitive impairments. …
 The biggest study of its kind offers the best evidence to date linking the sport to mood and cognitive impairments. …” http://www.scientificamerican.com/article/striking-evidence-linking-football-to-brain-disease-sparks-calls-for-more-research/