I’m a freelance health and science writer based in Brooklyn, N.Y. My stories have appeared in the New York Times, Wall Street Journal, U.S. News & World Report, FiveThirtyEight, O-the Oprah Magazine, SELF, Men’s Health, Money, Nautilus, NPR’s Shots blog and National Geographic online, among other publications. You can reach me at Katherine.Hobson (at) gmail (dot) com or via Twitter, @katherinehobson.