1. North American men’s sperm count down more than 50% in ...

    dailyhive.com/toronto/north-american-men-sperm-count-dropped-2017

    North American men have half as many sperm as they did 40 years ago, according to new research into reported declines in sperm counts. The research was led by Hagai Levine,an epidemiologist who studies patterns in health conditions at the Hebrew University of Jerusalem.