KEY FINDINGS Most teenagers received formal sex education before they were 18 (96% of female and 97% of male teenagers). Female teenagers were more likely than male teenagers to report first receiving instruction on birth control methods in high school (47% compared with 38%). Younger female teenagers were more likely than younger male teenagers to have talked to their parents about sex and bir...

background osteoporosis and related fractures due to discomfort, disability, decreased quality of life and death is a major health problem in the world. according to the importance of recording and reporting osteoporosis, lifestyle in growth duration, during teenage, is the most risk factor that determines osteoporosis in adolescents and the elderly. the aim of this study was assessing adolesce...

An exploratory descriptive study was undertaken, focussing on sexually transmitted diseases (STD) among teenagers. The aim of the study was to explore and describe the possible reasons for the high rate of sexually transmitted diseases in teenagers. The perceptions of teenagers and community nurses regarding sexually transmitted disease among teenagers involved in the teenage clinic in a specif...

Teenagers have an increased risk of delivering small-for-gestational-age (SGA) infants. Young maternal age and continued skeletal growth have been implicated as causal factors. In growing adolescent sheep, impaired placental development and nutrient transfer cause reduced birth weight. In human pregnancies, SGA is associated with reduced placental amino acid transport. Maternal growth has no ef...

Too much stress is easy to do harm to the physical and psychological health of teenagers, because most teenagers neither have the ability to cope with the stress by themselves nor like seeking adults’ help initiatively. Social media has demonstrated its feasibility in detecting teenagers’ stress with the micro-blog having become a popular channel for teenagers’ self-expression. In this demonstr...

OBJECTIVE This report presents national estimates of sexual activity, contraceptive use, and births among males and females 15-19 years of age in the United States in 2006-2008 from the National Survey of Family Growth (NSFG). Selected data are also presented from the 1988, 1995, and 2002 NSFGs, and from the 1988 and 1995 National Survey of Adolescent Males (NSAM), conducted by the Urban Instit...

There has been limited consideration of teenagers (defined as 12-19 year olds in this work) as participants and end-users in Child-Computer Interaction and mainstream HCI communities. Teenagers reside in a fascinating and dynamic space between childhood and adulthood, and working more closely with teenagers within HCI may bring great insights and benefits. This paper provides an overview of tee...

A questionnaire survey of teenagers was conducted in 1995 to discover if the perceptions of the role of the veterinarian in practice differed among 3 cultural groups. Teenagers in their 1st year of secondary school education in 16 schools in the Krugersdorp area were used as the sample. Two thousand and sixty-five questionnaires were processed. A statistically significant difference in percepti...

To understand the consequences of adolescent pregnancy and childbearing on siblings, a study compares 309 younger brothers and sisters of pregnant, parenting and never-pregnant teenagers. Compared with the younger siblings of never-pregnant teenagers, the younger sisters of pregnant teenagers see school and career as less important, are more accepting of adolescent childbearing, perceive younge...