Genetics

Sperm carries information about dad's weight

Turns out dads are also eating for two. A study published December 3 in Cell Metabolism reveals that a man's weight affects the heritable information contained in sperm. The sperm cells of lean and obese men possess different ...

Health

Lower sperm motility in men exposed to common chemical

Men with higher exposure to the substance DEHP, a so-called phthalate, have lower sperm motility and may therefore experience more difficulties conceiving children, according to a Lund University study.

Medical research

Scientists create human sperm in lab, but does it work?

French researchers said Thursday they had patented a method to create sperm using stem cells harvested from infertile men—though they do not know if the lab-fabricated seed actually works.

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