"사상" (Sasang) is a traditional Korean medical theory that categorizes individuals into four body types based on their physical and psychological characteristics. These types are 태양형 (Taeyang), 태음형 (Taeum), 소양형 (Soyang), and 소음형 (Soeum). Each type is believed to have specific health predispositions and personality traits, influencing how individuals respond to treatments and lifestyle choices. The concept of 사상 is rooted in the idea that understanding one's body type can lead to better health management and personalized care. Practitioners of 한의학 (Han medicine) often use this framework to tailor treatments, dietary recommendations, and wellness strategies to align with an individual's unique constitution.