Mar 3, 2002 | Q
It’s a well-established (and well-known) fact that the risk of chromosonal defects (like Down’s syndrome) increases with increasing maternal age. A Spanish research lab is now reporting that the same fact holds true for increasing paternal age; it’s the first time that this has been demonstrated. (That sound you just heard was a billion men startled by hearing their own biological clock ticking for the very first time.)
