Timeline: Male Puberty

It's a process that happens to every guy: from about the age of 9-12, your body starts to undergo major changes as a result of hormonal shifts. From your voice cracking and deepening, to feeling more aggressive and into girls, to having enough testosterone to finally grow a beard, learn the different stages of male puberty. This educational biology timeline will walk you through the scientific and medical reasons behind the biggest change you'll ever experience.

This probability comparison/comparison video is based on relevant sources and community discussions. All numbers and facts listed might not be up to date, valid, or in any specific order.

Sources: https://pastebin.com/RC3xXVq5

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