I'm Ina Garten, and on this season of Be My Guest, I sit down with some incredible people who've inspired me.

I've invited Tina Faye, Christine Beranski, Itzach Perlman, and Daniel Roseberry.

We cook, we eat, and we talk about what keeps them going.

Some of my favorite moments didn't make it into the TV show, and they were too good to leave out,

so you get to hear them on the podcast instead.

Listen to Be My Guest with me, Ina Garten,

wherever you get your podcasts.

The more butter, the better.

The more butter the better is.

That's my motto. Good morning. I'm Jane Pauley, and this is Sunday morning.

It's estimated nearly 7 million older Americans have Alzheimer's disease, a number that's expected to double in coming decades.

There's no cure for this devastating illness that leads to memory loss,

cognitive decline, and behavioral changes.

But as our Dr. John LePug will tell us,

there's more optimism now than ever before,

thanks to some breakthrough treatments. Here on the left and on the top, these are all amyloid plaques.

At Washew Medicine, Dr. Randy Bateman is leading research into fighting early-onset Alzheimer's.

Now we have a chance to change the course of the disease in a way we've never been able to do before.

And philanthropist Bill Gates is lending a hand.

How much have you already invested personally?

I put in a bit over 300 million.

Trying to prevent Alzheimer's.

...