Here's a question for you.

What's the best way to live a longer, healthier life?

Diet, exercise, both eating healthy while doing jumping jacks?

Welcome to the Nutrition Facts Podcast.

I'm your host, Dr. Michael Greger,

and I'm here to help you answer that question.

We have tremendous power over our health destiny

and longevity.

The vast majority of premature death and disability

is preventable with a healthy enough diet and lifestyle.

And I'm here to bring you the latest peer-reviewed research

to give you the tools to put it into practice.

On today's show, we look to improve our most valuable asset,

our brain.

What can we do to maintain optimal brain health,

especially as we age?

In our first story, we compare avocados, greens,

and lutein and zizanthin supplements

for improving cognitive function.

Dark green leafy vegetables are packed

with a brain antioxidant called lutein.

And so increasing our greens intake

...