According to a blog post by Dr. Sanjay Gupta at CNN.com, the number of E.R. visits caused by children’s concussions has more than doubled over the last 10 years.  Certainly, E.R. doctors like Dr. Josyann Abisaab are noticing this increase and are working to help isolate the issues. Citing a recent study published by authors Dr. Lisa Bakhos and her colleagues in Pediatrics, Dr. Gupta states that this is occurring even though there is an overall decline in sports participation in America. The concussion rates were highest for children who played hockey and football.  These numbers could be due to a number of factors. One theory is that this statistic…