Nutrition Facts Labels Get A Makeover

WASHINGTON (CBS) -- Nutrition facts labels on food packages are getting a long-awaited makeover, with calories listed in bigger, bolder type and a new line for added sugars.

And serving sizes will be updated to make them more realistic - so a small bag of chips doesn't count as two or three servings, for example.

First lady Michelle Obama is expected to announce final rules for new labels in a speech Friday morning as part of her "Let's Move!" campaign to combat childhood obesity. The changes were first proposed by the Food and Drug Administration two years ago, and are the first major update of the labels since they were created in 1994. They are now found on more than 800,000 products.

"This is going to make a real difference in providing families across the country the information they need to make healthy choices," the first lady said in a statement.

The overhaul comes as the science has changed in recent decades. While fat was the focus in the 1990s when the labels first were created, there is now more concern about how many calories people eat. The calorie listing will now be much larger than the rest of the type on the label, making it hard to overlook.

Read more on CBSNews.com.