A drug that aims to increase life expectancy for dogs is getting closer to market. But pet ethicists aren’t sure it’s great news for man’s best friend. This episode was produced by Amanda Lewellyn, edited by Matt Collette, fact-checked by Laura Bullard, engineered by David Herman, and hosted by Noel King. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices