June 21, 2012
The spinal column runs down the center of the back and is composed of several nerve cords surrounded by bony vertebrae. Each vertebra is separated by a disc which acts as a shock absorber. Numerous ligaments and muscles surround the spinal column. Because many of the forces affecting the body are exerted in this region, [...]
April 28, 2011
Age and gender appear to play a key role in determining the outcome of serious brain injury, according to the results of a new study. High levels of testosterone may protect young men from death or disability after head trauma, researchers say, but this protection declines as testosterone levels fall with age.