http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Middle school youth are engaging in sexual intercourse as early as age 12, according to a study by researchers at The University of Texas School of Public Health. http://www.physorg.com/news158416220.html Medicine & Health Wed, 08 Apr 2009 13:30:55 EST news158416220 Although not having many close friends contributes to poorer health for many older adults, those who also feel lonely face even greater health risks, research at the University of Chicago suggests. Older people who are able to adjust to being alone don't have the same health problems. http://www.physorg.com/news156618536.html Medicine & Health Wed, 18 Mar 2009 18:09:18 EST news156618536 Adolescent health risk behaviors often occur together, suggesting that youth involvement with one risk behavior may inform understanding of other risk behaviors, but in a study to examine the association between involvement in non-sexual risk behaviors and trends among sexual behaviors, Mailman School of Public Health researchers found that sexual behaviors vary considerably between those youth engaged in no risk health behaviors and those engaged in multiple health risk behaviors. http://www.physorg.com/news148917725.html Medicine & Health Fri, 19 Dec 2008 14:02:05 EST news148917725 According to a study conducted at Columbia University Mailman School of Public Health, health risk behaviors such as smoking and obesity are associated with lower awareness of the Prostate Specific Antigen (PSA), which could lead to a lower likelihood of undergoing actual prostate cancer screening. Although previous studies have explored predictors of PSA test awareness, this is the first research to focus on health risk behaviors, such as smoking, physical inactivity, obesity, and excessive alcohol consumption. The study findings were reported in the August issue of The Journal of Urology. http://www.physorg.com/news139053457.html Medicine & Health Wed, 27 Aug 2008 10:57:37 EST news139053457