Longevity Sciences (Yang Sheng), also known as Nourishing Life Sciences, are a special branch of Chinese medicine.  Healthy ageing and cultivation of a long life has been a major focus of Chinese medicine from its earliest times.  Today, with important developments in public health and an increasing average lifespan, Oriental medicine professionals are in a unique position to further develop and disseminate traditional methods of Longevity Sciences for the betterment of people everywhere.