Posted in May 2011

Could cell phone use reduce male fertility?

Could cell phone use reduce male fertility?

For men, using a cell phone could damage your chances of having a baby. Even though cell phone use was linked to higher levels of testosterone, in a recent study at Queen’s University in Canada, it was also linked to lower sperm quality. Men who reported cell phone use had lower levels of luteinizing hormone, … Continue reading

Shopping for a daddy

Shopping for a daddy

A story about Danish sperm banks was just published on the BBC News website. Denmark remains one of the few European countries where men can anonymously donate sperm–and women from all over are buying it up. And talk about sexual selection: sperm customers can filter potential daddies by height, weight, eye color, and even their … Continue reading

Vitamin E: the lizard’s sexy antioxidant

Vitamin E: the lizard’s sexy antioxidant

Vitamin E supplements make male European green lizards smell more sexy. New research published online in the journal PLoS One, led by Gábor Herczeg, shows that vitamin E in the lizards’ diet can get into the secretions left by male lizards. When males eat more vitamin E, females will spend more time near their secretions, … Continue reading

Is good cholesterol good for fertility?

Is good cholesterol good for fertility?

Mice that are missing a protein required for taking up ‘good’ cholesterol from the blood have an increased risk for heart disease, which is what you might expect. But you might not expect these female mice to be sterile. Research done in 1999 found that female mice missing the receptor for good cholesterol, SR-BI, were … Continue reading

Sex and coffee ‘trigger stroke’

Sex and coffee ‘trigger stroke’

BBC News – Sex and coffee ‘trigger stroke’. Sex, caffeine, and “straining to defecate”, among other activities, can cause brain aneurysms to burst, according to new research. Click the link above to read more.