noun
chronic disease; chronic illness
Medical term for a long-lasting or persistent disease. Used in both clinical and everyday contexts.
糖尿病は代表的な慢性病の一つです。
Diabetes is one of the typical chronic diseases.
慢性病の管理には生活習慣の改善が欠かせません。
Lifestyle improvements are essential for managing chronic illnesses.
持病 refers to a chronic ailment one has had for a long time, often used for personal medical history, while 慢性病 is a more clinical term.
Compound of 慢性 (chronic) + 病 (disease). 慢性 is itself composed of 慢 (lazy, slow) and 性 (nature, characteristic).