Ultra-processed foods harm men’s health. They increase weight, disrupt hormones, decrease testosterone, and introduce harmful substances linked to declining sperm quality. They contain industrial and synthetic ingredients. This may be why over the past 50 years, sperm quality has plummeted.

[u/mvea]

https://cbmr.ku.dk/news/2025/not-all-calories-are-equal-ultra-processed-foods-harm-mens-health/

[u/clyypzz]

This is most likely just one factor of the problem. Others might be a far more sedentary life and work, more pollution of new types such as endocrine disruptores like BPA, PFAS, lead, aluminium, and tons of other stuff plus social factors plus stress from a changing society and so on and so on

[u/Ok_Series_4580 → u/clyypzz]

Yep. We have studies showing the link between plastic contamination, and lower sperm counts as well.

[u/Sellazard → u/Ok_Series_4580]

Yep. Plasticizers started appearing right about 50 years ago. Quite the coincidence

We literally have meta analysis with sample of 80k+ samples and still wondering why happened.

https://pubmed.ncbi.nlm.nih.gov/38640992/#:~:text=Results%3A%20Overall%2C%2022%20articles%20were%20included%20in,exposure%20ES%201.82%20(95%25%20CI%3B%201.50%2C%202.20).

Oil industry happened. They will try to convince you otherwise, that your food is to blame, as well as you not being conscientious enough about your diet.

We have evidence and nobody cares