sperm-count
Not Getting Enough Sleep Is Shrinking Your Balls
The takeaway from this article is that Donald Trump almost certainly has tiny little mouse-balls — you can go ahead and tweet that without reading, it’s fine
Smoking Weed All the Time Might Fuck Up Your Kids Before You Even Have Kids
Too much green = bad sperm from your peen
Missing Your Summer Penis? Get to Know Your Fall Balls
Science says the quality of your sperm may be seasonal, too