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Now from Times Square, here's what you need to know.

Good afternoon, everyone. Welcome to what you need to know on this Tuesday.

When you start rocking, I start rocking, she's like this.

I'm like, okay, okay, let's rock together.

And it's good to see you guys.

Let's talk about it as we can with Dr. Deerey.

And apparently Robert F. Kennedy Jr. is calling for an end to putting fluoride in our water.

What does this mean? Yeah, there's a lot of confusion about fluoride. What is it? How does it work and does it work?

So if you've been confused, you're not alone. There are some basic things we all should know.

And we have information up here so everyone can understand. So fluoride is a naturally occurring

mineral that can be found in the environment. And since about 1945, it's been added to community

and public water supplies.

Important note, 72% of the population is served by community or public water supplies, not all, but most.

It helps protect against dental disease.

It improves dental health and prevents dental decay.

And it's important to note that tooth decay is the number one chronic disease among kids,

increasing risk of pain, inflammation, and infection, missing school days, and does it work?

...