Scientists from Stanford University and several universities in Italy have found that the average length of an erect penis has increased by just over an inch, or almost 25%, over the past 30 years. The study looked at data from 55,761 adult men and found that the average erection length increased from 4.8 inches to 6 inches.
Researchers were surprised by the findings as they expected a decline in penis length, along with lower sperm counts and testosterone levels. The study also disproves previous research that suggested that penis sizes were decreasing.
The cause of this increase in penis length is not clear, but researchers are concerned about such a significant change in a short period. It’s important to note that the study has limitations, and further research is needed to confirm these findings.
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