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Welcome to Science Talk, the weekly podcast of Scientific American for the seven days starting September 12th. I'm Steve Murski. This week on the podcast, more from the September

single topic issue of Scientific American devoted to food, feast and famine. We'll talk with

Paul Rayburn, author of the article,

Can Fat, be Fit? Plus, we'll test your knowledge about some recent science in the news.

Paul Rayburn is an award-winning science journalist. He was the science editor for the Associated Press

and for Business Week magazine, and he's the author of books ranging in subject matter from space science to depression.

In addition to the article on fat and fitness, Paul penned a sidebar to another article in the issue.

The sidebar is called Dropping Weight and Keeping It Off.

We spoke at his apartment in Manhattan.

Hi, Paul. How you doing? All right. Thanks for having me to your place here. Let's talk about

Can Fat Be Fit is the title of the article. So that's an obvious good question for me to start

with. Can Fat Be Fit? Well, I think I wish the answer were yes. I'd like the answer to be yes,

and certainly millions of Americans would like the answer to be yes. But what I found out looking

at the studies and talking to people is that while it's always better to be fit than not fit,

the basic bottom line, we'll go right to the core of this thing, is that when you gain weight,

you have adverse health effects.

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