BEIJING, May 10, 2026 /PRNewswire/ -- Forty-five years has been identified as the critical age threshold at which elevated sperm DNA fragmentation significantly reduces fertility potential in men.

Close up of a rare and endangered Ethiopian wolf (Canis simensis) in the highlands of Bale mountains, Ethiopia.© Giedriius/Shutterstock.com Habitat fragmentation can decrease biodiversity by up to 75% ...