Original sentence: Adolescents in the United States are now physically ready for sex before they are emotionally or cognitively ready.All teens have a sexual life, whether with others or through fantasies.Given their incomplete emotional and cognitive development, adolescents are also particularly at risk to suffer from emotional distress as a result of their sexual activities.Studies have found that the average age girls are entering puberty has remained steady since the 1960s and that there is a correlation between the living conditions and the onset of menarche
Edited sentence: Most teens have a sexual life, whether with others or through fantasies