This week, we’re bringing you an exclusive conversation between WIRED’s Katie Drummond and tech journalist Kara Swisher. Kara is no stranger to fads in the tech space but the longevity industry  — the one which promises to optimize health and delay death at all costs — is one that she has seen continuously grow. But what actually works? Is the industry only fueled by billionaire tech bros or is there something more to it? Katie sits down with Kara to find out.  Learn about your ad choices: dovetail.prx.org/ad-choices