Tips for long and healthy life explored in new book, "Eat Your Ice Cream," from Dr. Ezekiel Emanuel

Eating ice cream isn't typically thought of as good health advice, but that's how Dr. Ezekiel Emanuel frames it in his new book on aging and living a healthy life, "Eat Your Ice Cream." Emanuel joins "The Takeout" to discuss habits for eating well, along with the Trump administration's recent overhaul of public health.