We get the latest on N.H. tick populations, health precautions, and research. 2017 is predicted to be a banner year for ticks - meaning more risk for all of us, from Lyme and other tick-borne diseases. How concerned should we be about Powassan virus ? There is no vaccine for Lyme disease, but biodiversity can help thwart it. And we'll find out about a promising treatment being developed for Lyme.