Procedures for knee replacement have changed with latest advances By Jo-Ann Lamon Reccoppa      Believe it or not, there's an upside to aging. We're living longer, richer and more fulfilling lives. There is a price,however, a downside that comes with those additional years. Our parts tend to wear out. More ... Do men with prostate cancer who undergo surgery need radiation therapy, too? By Carol K. Kornmehl, M.D., FACRO       There are a number of treatment options for men with prostate cancer. These include a surgical procedure, known as radical prostatectomy, as well as radiation therapy.Are there any situations wherein a man who undergoes a radical prostatectomy will need radiation therapy afterward? More ... Diagnosed with psoriasis? Learn how to treat it       The National Institutes of Health estimate that 7.5 million Americans are affected by psoriasis. Psoriasis is a noncontagious life-long skin disease, characterized mostly by red patches or lesions on the skin (plaque) covered with a silvery white buildup of dead skin cells (scale). More ... Your next step: freedom from hip pain By Alan S. Nasar M.D.      For far too many people, even a single step can be painful. A growing number of Americans suffer from hip pain caused by arthritis or other conditions. Rising reports of joint pain are causing the demand for joint replacement surgeries to skyrocket. More ... Weight-loss surgery not one-size-fits-all       Not everyone who undergoes weight-loss surgery should do it, according to a study published in the Journal of Clinical Psychiatry. One in five candidates for weightloss surgery, also called bariatric or metabolic surgery, are not psychologically ready and should not be cleared. More ...