A new study has found the average penis size has risen by 25 percent in 29 years (stock) (Image: Getty) Scientists are becoming concerned after the size of the average penis rose by 25 percent over a 29-year period. Researchers from Stanford University published their striking findings in the World Journal of Men’s Health, revealing the size of the male member had grown significantly since the late 20 th Century. The study of 55,000 men found there had been a dramatic increase in penis size from 12.

19 centimetres in 1992 to 15.34 centimetres in 2021. However, while some may consider this positive news the results of the study, led by Michael Eisenberg, suggest that the opposite may be the case.

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Log('[Load] OVP flagTcfLoaded',new Date())}else{document.addEventListener("tcfLoaded",()=>{loadOvpScript()ExpressApp.Log('[Load] OVP tcfLoaded',new Date())})}},1500)}) Part of the concern is down to what has caused the accelerat.