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. Too little vitamin D could be bad for more than your bones; it may also lead to fatter adolescents, researchers say. http://www.physorg.com/news156088325.html Medicine & Health Thu, 12 Mar 2009 14:52:47 EST news156088325 A Johns Hopkins research team reports it may have an explanation for at least some of the higher organ rejection rates seen among black - as compared to white - kidney transplant recipients. In a study of 50 healthy adult men, 25 black and 25 white, significantly different amounts of certain immune system cells were found between the races. http://www.physorg.com/news139249692.html Medicine & Health Fri, 29 Aug 2008 17:28:12 EST news139249692 Gun-related homicide among young men rose sharply in the United States in recent years even though the nation's overall homicide rate remained flat, according to a study by researchers at the Johns Hopkins Bloomberg School of Public Health. Between 1999 and 2005, homicide involving firearms increased 31 percent among black men ages 25 to 44 and 12 percent among white men of the same age. The study is published in Online First edition of the Journal of Urban Health. http://www.physorg.com/news133698969.html Other Sciences Thu, 26 Jun 2008 11:36:09 EST news133698969