Men have their own biological clock
Wednesday, October 22, 2008 - 22:35
in Biology & Nature
SYDNEY, Oct. 22 (UPI) -- An Australian study suggests men have a biological clock that signals a drop in fertility after the age of 35.
SYDNEY, Oct. 22 (UPI) -- An Australian study suggests men have a biological clock that signals a drop in fertility after the age of 35.