Männens spermier halverade på 40 år
Och lite mer nyanserat istället for kvällsblaskornas alarmism:
www.nytimes.com/2021/06/04/health/sperm-fertility-reproduction-crisis.html
In a study published in May in the journal Human Fertility, they re-evaluated the 2017 review and found that it relied on flawed assumptions and failed to consider alternate explanations for the apparent decline of sperm.