ST. LOUIS (KSDK) - If you've tried to lose weight, you know the diets by heart: South Beach, the cabbage soup diet, the Mediterranean diet, Weight Watchers, the Dash diet.
Now there's a new weight loss trend catching fire, and it's stealing it's formula from an ancient, in fact prehistoric, way of eating.
It's called the Paleo diet, which stands for Paleolithic era of more than 10,000 years ago.
Joy Bloor, a registered dietician with St. Louis University Medical Center, joined First @ 4 to talk about what has also been called the Cave Man diet.
Click the video player above to hear what she had to say.