http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. A large, academic medical center implemented an imaging algorithm that allowed radiologists to successfully reduce the cumulative radiation exposure and number of computed tomography (CT) angiography (CTA) and CT perfusion studies performed on patients with aneurysmal subarachnoid hemorrhages (a form of stroke), according to a study published in the July issue of the American Journal of Roentgenology. http://phys.org/news196345771.html Medicine & Health Mon, 21 Jun 2010 13:29:41 EST news196345771 Being overweight as a child could lead to early degeneration in the spine, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA). http://phys.org/news178867734.html Medicine & Health Tue, 01 Dec 2009 05:50:01 EST news178867734 (AP) -- Health officials warned doctors and patients Thursday about potentially deadly risks of using the anti-wrinkle drug Botox and similar drugs for unapproved uses to treat certain types of muscle spasms. http://phys.org/news160312351.html Medicine & Health Thu, 30 Apr 2009 12:12:57 EST news160312351