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Admin08.07.2021

The 11 Best Cock Rings for Better Erections & Sex

Single-male breeding systems—or societies—tend to show smaller testis size than do multi-male breeding systems or EPC societies.
1004
Admin26.06.2021

Sizes

Semen displacement The shape of the human penis is thought to have evolved as a result of sperm competition.
3104
Admin19.08.2021

Tip of Penis pain, opening of urethra

Unsurprisingly, what men really want to know is if their penis is big enough to please a woman.
8608
Admin12.08.2021

Urology

In 2009 researchers Chen, Eberli, Yoo and Atala have produced penises and implanted them on rabbits.
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Admin12.06.2021

Glans penis

As of 1999, different studies had produced estimates of incidence ranging from 8 to 48 percent of all men.
8401
Admin30.06.2021

The 11 Best Cock Rings for Better Erections & Sex

The reduced sensations can lead to injuries for either partner and their absence can make it impossible to have sexual pleasure through stimulation of the penis.
5305
Admin23.08.2021

Urology

Thornhill, Randy; Gangestad, Steven W.
8407
Admin15.08.2021

There Are Four Types Of Penises In The World, According To Science

It can be felt as a hardened lump or "vein" even when the penis is flaccid, and is even more prominent during an erection.
11010
Admin21.08.2021

How to Masturbate If You Have a Penis: 9 Tips and Techniques

Holman JR, Stuessi KA March 1999.
5800
Admin29.08.2021

Urology

David Shusterman, a urologic surgeon revealed all.
8407
Admin20.07.2021

Glans penis

Diabetes is a leading cause, as is natural aging.
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