WHITE PLAINS, N.Y. - Adolescence can be a stressful time for teenagers trying to balance the pressures of school, sports and a changing body.That’s why they need doctors who can offer support, encouragement and the medical know-how to help quell their anxieties, said Dr. Karen Browner-Elhanan, the medical director at BridgeSpan Medicine in White Plains.“Adolescents are forging their way ...