Low testosterone
Fathers With High Testosterone Levels May Have Worse Relationships With Child’s Mother
Men with higher levels of testosterone may have worse relationships with the mother of their children. 
Here's Why Steroids Make You So Muscular
Do you know exactly what happens to the body after taking steroids? 
Guys May Struggle With Self-Control Due To Testosterone; How Sex Hormone Affects Decision Making
Science gives men new excuse for making poor decisions. 
6 Surprising Health Benefits Of Testosterone
Testosterone helps boys develop their manly attributes, but the sex hormone has some surprising health benefits too. 
Transgender Texas Wrestling Champion Spurs Debate Over Testosterone Therapy In Athletics
A transgender wrestling champion in Texas elicits controversy about testosterone use in athletics. 
Women May Live Longer Because Evolution Doesn’t Need Men To Survive As Long
Is evolution the reason women live longer than men? Or is it their hormones and their smoking habits? 
High Intensity Exercise Side Effects: Working Out Too Much May Shrink Libido, Chances Of Getting Pregnant
Too much exercise can significantly reduce your sex drive, and possibly the chances of getting pregnant. 
Do You Have The Right Amount Of Testosterone In Your Body? Normal Range Of Male Sex Hormone Revealed In Landmark Study
A new study has finally determined the ideal amount of testosterone for healthy American and European men. 
Low Testosterone May Make You A Better Father
Newborn babies can cause a testosterone drop in fathers, making them more empathetic as parents. 
Testosterone Shots and Gel May Reduce Heart Attack Risk In Men With Coronary Artery Disease
Testosterone therapy, given by shot or gel, helped men with coronary artery disease reduce the risk of stroke, heart attack, and even death: study.
