Story perspectives

Ultra-Processed Foods Harm Men's Metabolism and Fertility

10/17/2025

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Summary

Story summary

University of Copenhagen researchers found that ultra-processed foods may harm men's metabolism and fertility even when calories are controlled.
The study involved 43 men aged 20 to 35 who followed both ultra-processed and whole-food diets for three weeks.
Participants on the ultra-processed diet gained fat and showed poorer heart health markers.
Ultra-processed foods are linked to declining sperm quality and hormonal changes, and experts urge dietary shifts.

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Story summary

University of Copenhagen researchers found that ultra-processed foods may harm men's metabolism and fertility even when calories are controlled.
The study involved 43 men aged 20 to 35 who followed both ultra-processed and whole-food diets for three weeks.
Participants on the ultra-processed diet gained fat and showed poorer heart health markers.
Ultra-processed foods are linked to declining sperm quality and hormonal changes, and experts urge dietary shifts.