It has long been known that it’s one thing to father a lot of children and another thing to be a good dad. Now a study gives some biological credence to the idea that the “stuff” it takes for men to make babies, and the propensity to be a good dad, are usually not packaged together.
The new study by scientists Jennifer S. Mascaro, Patrick D. Hackett, and James K. Rilling investigated the relationship between testes volume and “fathers’ desire to be caregivers” and found that “the more testosterone dads had raging through their systems, the less involved they were with their kids," reports the Sept. 11, MSN News.
The investigation, which appears in the Proceedings of the National Academy of Sciences says "Testicular volume is most directly related to spermatogenesis and sperm quality,” giving the implication that “men with larger testes are prone to choose mating over parenting, evolutionarily speaking, so they can sow their wild oats, be fruitful and multiply, etc.”
Could explain why so many “baby daddys” don’t stick around for their kids!
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