Study links ultra-processed foods to higher depression risk - PBS NewsHour

Olivia Okereke, Harvard Medical School:

Well, depression we know is one of the leading causes of disability worldwide. There are hundreds of millions of people affected by depression. And so we need to identify ways to prevent it to modify the risk. And diet is one of those things that people can readily modify. So, we wanted to look at an important dietary factor in this case, the frequency of consumption of processed foods.

If we looked at all of these ultra-processed foods combined, that a higher number of servings of these nine or more compared to four or fewer per day, were related to this increased risk of depression if there were certain types of processed foods that had a particularly high risk. So the artificially sweetened beverages in particular, we saw had an increased risk of depression.

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