Gorillas, although far larger creatures than chimps, have much smaller balls relative to body size 0. Testicular cancer or testicular torsionwhich is a twisting of the spermatic cord that causes pain and swelling, should be evaluated and treated by a doctor soon after symptoms develop. Testicle size may not have an impact on your health, but in some cases, small balls may be a sign of an underlying condition. It's normal for one of your testicles to be bigger than the other, but it isn't normal to feel symptoms like pain. That includes a ban on smoking, which increases the rate of mutation among sperm. The average size of a man testicle is about 4 x 3 x 2 centimeters cm in size and is oval shaped.
Even so, those men who are eventually more involved in day-to-day child care duties — such as changing diapers, running the bath or kissing scraped boo-boos — see their testosterone levels drop more than men who remain aloof after having children.
Is Bigger Better When it Comes to Testicles?
Testicular Symptoms to Watch For It's normal for one of your testicles to be bigger than the other, but it isn't normal to feel symptoms like pain. Researchers suggest that higher levels of testosterone, which is associated with larger testicles, may help steer some men toward behaviors other than the hands-on care of their children. When it comes to the health and function of your genitals, size differences may be meaningless. In addition, scientists aren't sure whether men who make more sperm are genetically wired to be detached dads, or whether early life experience or the act of caring for children leads men's bodies to invest less in sperm-making, thereby causing their testicles to shrink, she said. Varicocele is an enlargement of the veins within the scrotum, typically due to problems with the valves that control blood flow in the veins. Testicle size and paternal instinct. Research says the average length is 3.