Letting Go is an excellent account of the life of a Marine, before, during, and after 9/11. Through the eyes of Jeff Sands, he retells his story with brutal honesty, describing what possessed him to join the Marine Corps, his experiences while serving, to include deploying to Iraq during the initial invasion, and the demons he endured while trying to readjust to civilian life. This book was begun as a diary of sorts. It was written to try and understand the chaos that exists inside one's own head, especially after experiencing war and seeing its effects. It was flushed out over many sleepless...

Although urea represents roughly 40% of all urinary solutes in normal human urine, the handling of urea in the tissues has been largely neglected in the past and few clinical or experimental studies now report data on urea.