So. Penises. After getting some penis enlargement spam, I decided

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So. Penises.

After getting some penis enlargement spam, I decided it'd be interesting to look through the actual scientific literature regarding the growth of cocks.

Now, I found that it was thought that when penile tissue grows in response to testosterone, the number of testosterone receptors is decreased, and this was the primary mechanism for limiting the final size of the penis.

I found one paper, however, which found that while adult penile tissue in rats had no testosterone receptors left, the same was not true in adult great apes.

This suggests the presence of another factor which reduces the sensitivity of penile cells to testosterone. I believe the key to penile enlargement is finding this factor.

Now, there's sirtuin-1, which was found to affect the sensitivity of breast tissue to estrogen, so that would logically be my number one suspect.

My primary hypothesis is that mixing a compound which suppresses sirt1 with testosterone will result in penile growth. But where to get such a thing for an experiment..