Stefany Shaheen says she was skeptical when her family decided to try a Diabetes Alert Dog for their daughter, Elle. She shares their story and explains what to ask before deciding whether an alert dog is right for you. Shaheen's book, "Elle & Coach: Diabetes, The Fight for My Daughter's Life and the Dog Who Changed Everything" comes out in paperback this month. Stacey also talks to Dexcom Research and Development Senior Vice President Jake Leach about the new G5 mobile app for the Apple Watch and much more.