Dutch Study Links Men’s Ultra-Processed Food Consumption to Higher Subfertility Odds Introduction A study from the Netherlands has identified a significant association between men’s consumption of ultra-processed foods and increased odds of subfertility. Published in the journal Human Reproduction in 2026, the research analyzed data from hundreds of couples and found that for every standard increase in a man’s ultra-processed food intake, the odds of subfertility rose by 36%. This association persisted even after accounting for factors such as age, smoking and the female partner’s diet, according to the study. The research, part of the Generation R Next Study in Rotterdam, also…

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