A bill co-sponsored by Senator Chuck Grassley, R-Iowa, and Senator Amy Klobuchar, D-Minnesota, would allow people to buy prescription drugs from approved pharmacies in Canada; the FDA is planning an advisory meeting on February 12 to share evidence and expert opinion about the safety and effectiveness of transvaginal mesh; economist Austin Frakt recaps the public health effects of sitting in traffic, including contributing to climate change, lost time, and damage to psychological well-being.