Brooke Borel: My dog's heart

A science writer is challenged when her dog comes down with a case of heartworm -- and then the medication goes wrong. "As I'm leaving, the vet says, 'Oh, by the way: Don't go on the internet. It'll only freak you out.'" Learn more about your ad choices. Visit megaphone.fm/adchoices See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.