Lions running back Jahvid Best insists that his playing career is not over, though in the same breath admits there are no guarantees the next concussion won't put him out of the game for good.

Thirteen months, two elaborate news conferences and one brief comeback later, we have no further info. We just know Sidney Crosby is hurting.

The National Center for Complementary and Alternative Medicine (NCCAM) welcomes six new members to the National Advisory Council for Complementary and Alternative Medicine. The council serves as the principal advisory body to NCCAM, the lead federal agency for research on complementary medicine, and a component of the National Institutes of Health.

Cigna Medical Group will close a half dozen medical specialty groups in March, a move that will eliminate 100 health-care jobs.