September 10, 2013 | Pippa

Can the size of your testicles really predict how good a father you are?

A study has shown that fathers with smaller testicles were more likely to score better on a care-giving test.

I'm unconvinced it only involved 70 men. Even then there was a fairly small difference between the parenting test results of the small- and large-testicled men. This is a perfect example of a study that leaves me going ‘Huh?' Will this apparently scientifically significant result have any meaning in the real world?

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Big red balls

Higher levels of testosterone are linked to larger testicle size in many primates, including humans.

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Image: Flickr/andreasmarx

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