<strong><img src="http://www.elitefitness.com/images/testosterone/testosterone-decrease.jpg" alt="Testosterone Decrease" width="380" height="256" hspace="10" align="right" />A study by Northwestern University shows that new fathers experience a severe <a href="http://bodybuilding.elitefitness.com/testosterone-levels-decrease" target="_blank">decrease in testosterone levels</a> immediately after they have a child. And the reason why new fathers’ <a href="http://bodybuilding.elitefitness.com/testosterone-levels-decrease" target="_blank">testosterone levels decrease</a> so rapidly will definitely surprise you.</strong><br /> <br /> The Northwestern study focused on the effects of fatherhood on testosterone production, and I’m warning you that the results aren’t desirable. According to the research, men’s testosterone levels decrease by 25%-35% after their baby is born. Obviously this sounds awful to those trying to pack on muscle, and the mere thought may keep you from wanting to have a child. But perhaps you’ll change your mind when I explain the reason behind the testosterone decrease. <p>Here's the full story:</p> <p><a href="http://bodybuilding.elitefitness.com/testosterone-levels-decrease" target="_blank">Testosterone Levels Decrease in New Fathers - Shocking Study<br /> </a></p>