A new study finds that players of contact sports have differences in their brain activity when compared with people who play non-contact sports. The authors ask whether micro concussions are to blame

Brain Injuries, Study

It’s now common knowledge that someone who is concussed should not return to the field of play and should take care to rest. The study that we are discussing today relates to a more common but much less understood phenomenon: subconcussive impacts, which are also known as micro concussions.

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