How did the tang dynesty contribute to the chinese culture

China reached it's peak of it's civilization and became the center of trade in the east. The study of medicine is one of the highest contributions of the Tang dynasty as it is practiced worldwide. The illustration of using herbs or organic materials was developed and spread by this empire. During the reign of this empire in the field of medicine, they conducted a study on diabetes and discovered that the source of this condition was caused by excess sugar through urine experimentation.