JACKSONVILLE, Fla. -- A popular diet has people eating like cavemen and many say they are seeing incredible results.
Alissa Kochis of Jacksonville says she's never felt better. She credits her increase in energy and strength to her daily workouts and her diet.
Kochis is currently on the palaeolithic diet, also known as the caveman diet.
"It is mainly meat, veggies, fruit, seeds and nuts," said Kochis.
Justin Bergh, is the owner of CrossFit on the southside and is a physical trainer. He says he's seen positive results from the diet, too.
"If you're walking through a grocery store if a caveman wouldn't recognize that thing as food, don't eat it," he said.
Claudia Sealey-Potts, a professor at UNF and a registered dietician agrees there's health benefits not eating processed food, but says the palaeolithic diet restricts too much.
"We need whole grains. There is absolutely no milk and cheese, so there's no dairy in there and we need some dairy," she said.
"We don't need whole grains. Whole grains are a convenience source of food for a lot of the world, but we don't need it," he explained.