Residents of the Northeastern U.S. have become increasingly familiar with Lyme disease, which is transmitted by ticks. But the tick population in this country is spreading and growing, and along with it, so are the diseases they carry. This week on “Take Care,” Dr. Richard Ostfeld , senior scientist at the Cary Institute of Ecosystem Studies, a not-for-profit research institution in Millbrook, New York, discusses the latest information on ticks and tick-borne diseases. The Cary Institute