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Like everything in nature, your penis goes through a series of changes over your lifetime. Each phase is controlled mostly by your testosterone levels.
Somewhere between the ages of 9 and 15, your pituitary gland releases hormones that tell your body to start making testosterone...

Read more via WebMD https://ift.tt/2YWVq9d
Somewhere between the ages of 9 and 15, your pituitary gland releases hormones that tell your body to start making testosterone...

Read more via WebMD https://ift.tt/2YWVq9d
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