Doesn't it seem like when it comes to nutrition or more opinions than facts to go around?

Every day we hear new theories about diets, supplements, best foods, my role is to take

them mystery out of good nutrition and look at the science.

Welcome to the Nutrition Facts Podcast.

I'm your host and Dr. Michael Greger.

And I'm here to bring you an evidence-based approach to the best way to live a healthier,

longer life.

Today we focus on Alzheimer's disease, which kills nearly 85,000 Americans each year.

It's one of the most physically and emotionally burdensome diseases for both sufferers and

caregivers alike.

Here's the good news in the bad news.

Alzheimer's disease is incurable, but preventable.

Diet and lifestyle changes potentially prevent millions of cases a year.

Today we're going to discover the best way to do that.

In our first story, we explore the evidence that our meat-sweet diets play a cause-and-effect

role in dementia.

What is behind the dramatic increase in dementia in Japan over recent decades?

Maybe it's rising obesity rates or the increases in cholesterol saturated fat in the iron

from increases in animal products in meat.

Overall calories just went up about 10 percent in Japan, whereas animal fat in meat consumption

rose 500 percent, about 10 times the rise in sugary junk.

Now during this time spent, rice consumption went down, but the thinking is that rather

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