Does playing football cause permanent brain damage? The answer is not so straightforward. We are likely to learn a lot more about the subject in 2016, but scientists are only beginning to understand the details of how concussions—also a serious problem in the military—damage the brain. Better concussion diagnostics will give scientists and physicians a more detailed understanding of brain injury, and will help doctors get better at treating such injuries.

Full Article: MIT Technology Review, “Here’s What we Learned About Concussion Detection in 2015 (And What We Still Don’t Know)”