IL6 and obesity due to melanocortin 4 receptor deficiency: Another Chinese case- control study [24] also suggested that IL-6-572C/G polymorphism was associated with susceptibility to CHD after adjustment for other risk factors such as smoking, hypertension, hyperlipidema, obesity and alcohol drinking, they concluded that IL-6-572C/G polymorphism might be a potential risk factor for CHD in Chinese population.