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Harvard Expert: Rethink Ultra-Processed Foods for Health

11/8/2025

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Summary

Story summary

Walter Willett, a Harvard nutrition expert, says the term "ultra-processed foods" is misleading because some ultra-processed items, such as whole grain bread, can be healthy.
He advises avoiding sugary beverages.
He prioritizes whole plant foods, nuts, and legumes, with modest animal protein and the Mediterranean Diet.
It is acceptable to dine out occasionally on unhealthy foods, but frequent refined grains and salty meats raise health risks.

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Story summary

Walter Willett, a Harvard nutrition expert, says the term "ultra-processed foods" is misleading because some ultra-processed items, such as whole grain bread, can be healthy.
He advises avoiding sugary beverages.
He prioritizes whole plant foods, nuts, and legumes, with modest animal protein and the Mediterranean Diet.
It is acceptable to dine out occasionally on unhealthy foods, but frequent refined grains and salty meats raise health risks.