The exact age when your sperm quality starts to decline — and you’re more likely to pass disease-causing mutations to your kids

New research suggests that your spunk does indeed have an expiration date, at least in terms of how harmful, age-related ...
CNN

Sperm donor with rare genetic mutation fathered 67 children. Ten now have cancer, prompting calls for reform

The sperm of a man carrying a rare genetic mutation linked to cancer was used to conceive scores of children across Europe, prompting calls for greater regulation and a limit on the number of births ...