If a hospital or healthcare system implements an employee wellness program, a new study n the journal Nature suggests management should expect limited progress. Researchers found an employee wellness program instituted by the Mayo Clinic had some success in reducing rates of smoking among patients, but was unable to curb their rates of obesity, despite exercise equipment, cooking demonstrations, group fitness classes, individual wellness evaluations and weight loss programs. Obesity rates are higher than average among hospital and other healthcare workers. Read the full article at FierceHealthcare