Dr. Donald Layman

oriented to public health and the wellbeing of everyone.

And people realized that heart disease was a real cause of mortality.

And so they started to look for reasons why.

Also during World War II, they were interested in the fact that there are a million people, men overseas fighting a war, and they had to have some idea of how much food to send.

So I think those were the two things that really brought nutrition to the forefront.

How do we define what people need?

Yeah.

People often ask me, you know, what difference does the dietary guidelines make?

And for the average person, none at all.

They totally ignore it.

Most people don't even know it exists.

But the reality is they have a big impact on anything.

group that gets any government support.

So school lunch, daycares, nursing homes, even prisons or hospitals or the U.S.

military, they all have to follow these guidelines.

So there's a huge impact across the nation in terms of do these guidelines really represent a healthy way to go?

They really haven't changed.

They reevaluate them every five years.

Is that true?

Right, but to your point about they don't change, one of the guidelines, one of the rules that have governed the process is you can never go back and look at the prior information.