Dr. Hamblin is an author, journalist, and physician. He is board certified in public health and general preventive medicine and is a lecturer in public health policy at Yale School of Public Health. He is a former staff writer and senior editor at The Atlantic magazine. His writing has also appeared in The New York Times, The Washington Post, Politico, Vice. He is the author of Clean: The New Science of Skin (Riverhead, 2020) which was an editors' pick by the New York Times Book Review and named among the best books of the year by Vanity Fair and NPR. He has spoken at TED Med, South by Southwest, Aspen Ideas Festival, National Academies of Sciences, and the Global Ideas Forum and appeared twice on The Late Show with Stephen Colbert.