http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. One of the trickiest parts of treating brain conditions is the blood brain barrier, a blockade of cells that prevent both harmful toxins and helpful pharmaceuticals from getting to the body's control center. But, a technique published in JoVE, uses an MRI machine to guide the use of microbubbles and focused ultrasound to help drugs enter the brain, which may open new treatment avenues for devastating conditions like Alzheimer's and brain cancers. http://medicalxpress.com/news/2012-03-brain-treatments.html Medical research Tue, 13 Mar 2012 11:04:51 EST news250855480 Laser-based measurements are proving to be a promising method for the assessment of osteoporosis. The team led by Professor Jussi Timonen has developed an ultrasound technique that use laser beams for a rapid and accurate assessment of osteoporosis. http://medicalxpress.com/news/2012-03-method-accurate-osteoporosis.html Diseases, Conditions, Syndromes Thu, 08 Mar 2012 10:36:02 EST news250425357