At least, if a startup in Copenhagen, Denmark gets its way. Smartphones do a lot for us: games, work, communication, fitness, books, TV. Now a regular old smartphone camera might just do what ...

Eye-tracking tests can detect brain trauma deficits in patients more than a decade after their last concussion.

In the recreation room at Eskaton Village in Carmichael, Bonnie Dale, one of the residents, is trying on a virtual reality (VR) headset.