Those parts have to be a burden, or be in the way of survival and reproduction for evolution to take notice.
Guys who have simply noticed that their scrotum changes appearance with sexual arousal or temperature fluctuations do not need to see a doctor, as they've simply observed a completely healthy and natural process.
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Most men notice that their , the sack of skin that holds the testicles, starts to sag as they get older.
Skin also loses elasticity as you age, causing wrinkles and, for many men, saggy testicles.
Can you tie them in a bow? Keep reading to learn more about why testicles sag and what you can do to slow down this natural process.
When it's fully erect how hard does it get? What follows are the 7 top ways men injure their penis and crush their balls.
They are closely related to your confidence and self-esteem.