For starters, could one man really father more than 500 children?
sperm
Men Who Can’t Make Sperm May Be at Higher Risk of Cancers
Researchers at Stanford University say infertility may put some men at higher risk of developing brain, prostate and testicular tumors as well as melanoma and lymphoma.
Too Old to Be a Dad?
Men can keep making babies deep into their dotage. And that, says medical science, can be a bad thing.
The Secret to Super Sperm? Less TV
Even healthy men could improve their sperm quality by spending less time in front of the tube.
Hope for Infertility Treatments: Scientists Make New Eggs from Mouse Stem Cells
Japanese researchers have produced mouse eggs from stem cells that bred healthy offspring, a breakthrough that may one day help treat human infertility.
Smoking and Drinking May Not Harm Male Fertility
Doctors often recommend lifestyle changes for men facing infertility: avoid cigarettes, cut back on drinking, lose weight. That’s great advice for an overall healthy life, but a new study suggests it won’t necessarily help men …
Does Your Sperm Need a Diet? Fatty Foods Linked to Poor Sperm Quality
Gentlemen, you may want to hold the bacon. A new study suggests that eating a high-fat diet may be associated with lower sperm quality.
I’ll Take a Sperm Test, to Go: First At-Home Male-Infertility Test Debuts
Why should women bear the brunt of infertility testing? A new at-home sperm-analysis test allows men to assess their babymaking abilities.
Gingrich Wants Scrutiny of IVF Clinics: Why That’s Not the Worst Idea
When IVF creates excess embryos, women are faced with a choice: store them indefinitely, donate them to others or offer them to research.
Are Wi-Fi-Enabled Laptops Really Frying Your Sperm?
On the whole, I’m assuming that studies in the academic journal Fertility and Sterility — which include chart-toppers like “Are varicoceles associated with increased deoxyribonucleic acid fragmentation?” — don’t receive a …
The Sperm Bike: Cycling to Drum Up Sperm Donations
It’s not every day that you see a really large sperm on a really large bike. But starting next week, it’s going to become commonplace — at least in Seattle.
Is Sperm from Redheads Really Less Desirable?
Redheaded men are probably feeling a little hurt this week in light of news that one of the world’s largest sperm banks is up-to-here and has stopped accepting their gametes.
Sperm Gene May Explain Some Male Infertility
A mutation in a gene for a sperm-related protein found in 20% of men may be responsible for a significant proportion of unexplained male infertility, according to a new study.