Thirty-five years after the first dietary guidelines, how much do we really know about the science behind a healthy diet?
Sign up for the Retro Report newsletter

What Is a Healthy Diet? The Answers Are Unsatisfying

In the 1960s and 1970s, doctors pointed to two likely culprits for the country’s heart disease epidemic: dietary fat and cholesterol. Much of the country tried to avoid fat at all costs. But did the low-fat recommendation help or hurt? And why is nutrition still so controversial?

More on the Story:

Burying the Snackwell Myth

Transcript

More on the Story

New Dietary Guidelines Urge Less Sugar for All and Less Protein for Boys and Men The New York Times
Retro Report: A Decades-Long Search for A Perfect Diet The Takeaway
Related Coverage
A Healthy Diet’s Main Ingredients? Best Guesses The New York Times
The Diet of the 1980s May Be Why Americans Are So Fat Today Take Part
The Scientific Basis of Low-Fat Dietary Advice? “Best Guesses” The Diet Doctor
The Diet of the 1980s May Be Why Americans Are So Fat Today Yahoo