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Stanford study concludes that average penis size has increased 24% in 30 years
Stanford study concludes that average penis size has increased 24% in 30 years,Researchers found that the average penis increased in size from 4.8 inches in 1992 to 6 inches in 2021. But in some regions, they shrank.

Stanford study concludes that average penis size has increased 24% in 30 years

Researchers found that the average penis increased in size from 4.8 inches in 1992 to 6 inches in 2021. But in some regions, they shrank.