Potentially harmful DNA mutations can amass in men's sperm as they age, new research has found, which may in turn impact the ...

Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This ...

Researchers have known for some time that sperm can deteriorate as men age. These changes can affect various aspects, ...

As men age, harmful sperm mutations increase — not just by chance, but because some are favored during sperm production.