By Kathryn Doyle (Reuters Health) – For obese men and women, losing as little as 5 percent of their body weight reduces risk factors for type 2 diabetes and coronary heart disease, according to a new study. Most guidelines recommend losing 5 to 10 percent of body weight, the authors write. “Five percent is really a very reasonable goal for most obese patients to achieve, it’s much easier than 10 percent,” said senior author Dr. Samuel Klein of Washington University School of Medicine in St. Louis, Missouri.