puberty
The first growth peak occurs from birth to around one year old.The second growth peak is during puberty when height increases rapidly. The fastest period of height growth is during early puberty, wit
  After entering puberty, secondary sexual characteristics begin to develop. In girls (aged 9-12), the stimulation of hormones secreted by the ovaries leads to the appearance of breast buds, whic
Girls entering puberty undergo a series of physiological changes. Therefore, they should reduce intense and high-intensity jumping and choose sports that are competitive and entertaining for exercise,
Puberty male health mainly refers to the correct treatment and handling of reproductive organ hygiene as well as phenomena such as nocturnal emission, phimosis, paraphimosis, and cryptorchidism.Durin
Normal boys, after entering puberty, already have the ability to ejaculate. After this, the ability to ejaculate gradually matures, and the most common occurrence is nocturnal emissions. Since nocturn
"Sex" is one of the topics that men are most concerned about yet often overlook. When they encounter difficulties in their sexual lives and gradually drift apart, they realize that sexual function is