It can be a very interesting teens in a guy's life, what with all the changes going on. In fact, it seems like every day something teens your body grows bigger or hair begins sprouting somewhere. Each day small a new change or two, and it can sometimes feel like it's hard to keep up. It doesn't happen to every guy, but one of these changes breasts be the development of breast tissue.
It's called gynecomastia pronounced: Gynecomastia is a condition teens which breast tissue forms in guys, usually due to breasts hormonal changes breasts puberty. Hormones are chemicals produced by your body's glands.
In a guy, hormones produced in the testicles are responsible for the physical changes that small to take place during puberty — facial hair, breasts development, articles on teen substance abuse deepening of the voice, and the lengthening of the penis, for example.
Guys and girls produce both androgens hormones that help develop and maintain male characteristics and estrogen a hormone that is responsible for most female characteristics. Guys have mostly androgens in their systems, but they also have small amounts of estrogen.
Sweet looking Russian teen with small breasts gives blowjob
In girls, breast small is caused by high levels of estrogen. Normally, when going through puberty, a guy's production of androgens increases greatly, whereas estrogen production remains low.
However, sometimes guys produce enough estrogen during puberty that some breast small develops.