I know the following won't apply to most guys here - but thought I'd share anyway.
From food packaging to food itself, men are inundated with sperm-slaying chemicals.
I thought this one was interesting..
3. Sex toys
We're not telling you to send your entire adult toy box to the landfill, but to protect yourself and your partner, avoid ***s, vibrators, and male pleasure devices made of vinyl. This type of plastic unleashes phthalates, plastic-softening chemicals linked to cancer, allergies, birth defects, and infertility.