They're brightly colored, packed in enticing boxes and often marketed as healthy -- but many cereals today are actually less ...

Breakfast cereals in the U.S. now contain more sugar, fat and salt, while key nutrients like protein and fiber are on the ...

They contain increasing amounts of sugar, fat and sodium and decreasing amounts of protein and fiber.

A study published in JAMA Network Open​ analyzed the nutritional value of cereals marketed to children between 2010 and 2023.

Breakfast cereals in the U.S. now contain more sugar, fat and salt, while key nutrients like protein and fiber are on the decline, according to research published May 21 in JAMA Network Open.