Updated U.S. dietary guidance made significant changes to what Americans have been told about food for many decades.

Dr. Fang Fang Zhang, a cancer epidemiologist focused on nutrition, told USA TODAY the message to eat more whole or minimally processed foods is a good one, but whether Americans will really ditch soda and packaged snacks, "we have to see."

It may not be exciting, but chicken breast is Rizzo's pick for the healthiest meat for good reason. With 23 grams of protein and only 2 grams of fat (and less than a gram of saturated fat) per 3.5-ounce serving, chicken breast is a lean, concentrated source of protein.

The Trump administration is “turning the food pyramid upside down” with new guidelines for feeding programs that will emphasize eating plenty of protein and healthy fats — while discouraging the consumption of highly processed foods and refined carbohydrates,

The new dietary guidelines call for prioritizing high-quality protein, healthy fats, fruits, vegetables and whole grains. Foods to avoid or limit are highly processed foods, refined carbohydrates and added sugars. The "food pyramid" has literally been turned upside down.

New HHS dietary guidelines take aim at ultra-processed foods, marking dramatic policy shift from previous administration's food recommendations.

Norwegians eat more processed meat such as sausages and salami than in the other Nordic countries. For the first time, researchers have calculated the disease burden and years of life lost caused by an unhealthy diet.

RFK Jr. and the USDA announced a whole new food pyramid, but how has it changed over the years, and does it include no sugars? Here's what to know.