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

Kids between 5-8 should drink 2-5 cups of water and 2.5 cups of milk a day. Kids 9-13 should have 2.75-7.6 cups of water and ...

So, fluoride helps make the tooth stronger. And it prevents the growth of those cavity-causing bacteria. Scientists have been ...