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Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads : the ovaries in a female, the testicles in a male.
[20] [21] Puberty which starts earlier than usual is known as precocious puberty, and puberty which starts later than usual is known as delayed puberty. Notable among the morphologic changes in size, shape, composition, and functioning of the pubertal body, is the development of secondary sex characteristics , the "filling in" of the child's ...
Starting puberty significantly early — younger than age 8 in girls, 9 in boys — may have health effects lasting into adulthood, including higher risks of breast cancer, diabetes and heart disease.
As puberty hits, boys are likely not thinking about children or how their current habits will affect their future fertility. Smoking, drug use, poor diet, obesity — these all can contribute to ...
This process is different for females and males. Before puberty, there are nearly no sex differences in fat and muscle distribution; during puberty, boys grow muscle much faster than girls, although both sexes experience rapid muscle development.
Sexual maturity is the capability of an organism to reproduce.In humans, it is related to both puberty and adulthood. [1] Puberty is the biological process of sexual maturation, while adulthood, the condition of being socially recognized as an independent person capable of giving consent and taking responsibility, generally implies sexual maturity (certain disorders of sexual development ...
African-American girls are especially prone to early puberty. [18] Though boys face fewer problems from early puberty than girls do, early puberty is not always positive for boys. Early sexual maturation in boys can be accompanied by increased aggressiveness due to the surge of pubertal hormones. [57]
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