Foods That Help, Foods That Harm Overall Health, Plus More Food News

Round 'em up! Here are this week's top stories about healthy eating and food science.

Also, there will be a quiz.

And in a related story, a study looks at how

diet soda may be altering gut bacteria and raising the risk of diabetes.

Scientists at the Environmental Working Group think government recommendations regarding canned tuna may be exposing pregnant women to

unsafe levels of mercury.

Added sugar, processed meats, refined carbohydrates -- these are among the

foods that Harvard nutrition scientists say should be kept to a bare minimum.

The Nutrition Source at Harvard's School of Health explains

the glycemic index and how different kinds of carbohydrates affect blood sugar.

It seems that

skipping breakfast does not necessarily lead to weight gain.

However, it does look like

specific kinds of fruits and vegetables may prevent weight gain.

If new dietary guidelines recommend getting no more than 10% of calories from sugar,

how much fruit can you eat and still satisfy that recommendation?

A new report confirms what we already know: Americans eat loads of processed foods, including

ultra-processed food with fives times the added sugar as regular processed food.

Neanderthals ate mammoths and woolly rhinoceroses and also plants --

about 20 percent of their diet came from vegetarian sources.

Take The New York Timesweekly health quiz.

Miss last week's list? We gotcha.

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