Exacting personal constitution diagnosis, reliable medical treatment for personal constitution! Sasang Constitutional (Constitution Improvement Clinic) Sasang Constitutional Medicine is a type of medicine personalized to treat and prevent diseases by dividing people up into four constitutions or body types: Taeumin, Taeyangin, Soeumin, and Soyangin. The clinic offers Sasang Constitutional Medicine specialty therapies that take account of each patient's constitution as determined according to Sasang Constitutional Medicine.