The main takeaway from these new guidelines is that kids and teens should be drinking plain water, flat or sparkling, and milk primarily.

By the end of the 20th century, it seemed like cow’s milk was over, along with scrunchies and network television. Soy and nut milks had moved from health-food shelves to the supermarket to Starbucks, ...

Bulgarian scientist Élie Metchnikoff argued that yogurt could stave off the aging process and make people live longer. But ...