A man browsing on a smartphone while lying in bed at night. The study, conducted by researchers from universities and health organizations in Switzerland, sounds very worrying at first glance: 2,886 ...

Low sperm count is a common problem, but there are treatments available. One possibility is a low sperm count. Sperm count refers to the number of sperm in a man's semen, the fluid that carries sperm ...

New research published in the journal Human Reproduction is challenging recent reports that sperm count in men is on the decline globally. AFP via Getty Images Don’t count men out just yet. New ...

Discovering that you have a low sperm count can be a concerning and confusing moment for many. It’s a condition that affects a significant number of men globally, often bringing with it fears about ...

Add Yahoo as a preferred source to see more of our stories on Google. Come again? Scientists now believe there's a link between sperm count and how long men live. Benjamin Nolte/dpa Understanding ...

It takes about 10 to 11 weeks for new sperm to mature, so any damage caused by heat today can affect fertility for several months. This is why the testicles hang outside the body, in the scrotum, to ...

A new study shows that lab-grown sperm cells can be derived from stem cells. July 9, 2009 — -- The face of infertility-- in literature, in the media, in advocacy groups -- is so predominantly ...

New treatments for male infertility could widen therapeutic options and possibly shift the treatment burden from women.

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...