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/greiton]

I used to live in a walkable city and it was much easier to keep weight off. being able to walk while getting errands done or going to work is great. but, outside of those spaces, the just walk idea gets harder. suddenly it isn't something that happens while you do other things, but something you have to carve time out of your day to do on its own.