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A 43-year-old member asked:

Can masturbation really causes shrinkage of the penis?

1 doctor answer2 doctors weighed in
Dr. Robert Donato
Urology 25 years experience
No Evidence: Masturbation does not cause reduction in penile size. As men age, however, there may be a perceptible change in penis size when flaccid. This can occur from diminishing blood flow at rest.. The erectile tissue, if not periodically stretched by full filling, can result in diminished size of the erection. This has been demonstrated in animal studies and in men whom have had their prostate removed.

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Last updated Nov 28, 2014

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