疾病
彼は慢性的な疾病を患っている。
He suffers from a chronic disease.
A medical condition characterized by a disturbance in normal functioning of the body or mind, often caused by infection, genetic factors, or environmental influences.
この疾病は遺伝的な要因が強く関与している。
This disease is strongly influenced by genetic factors.
新しい疾病の治療法が開発された。
A new treatment for the disease has been developed.
In Japanese, '疾病' is often used in a medical or formal context, while '病気' is more commonly used in everyday conversation.
Related Phrases
Pro Tip
Formal vs. Informal Usage
Use '疾病' in formal or medical contexts, such as in medical reports or academic discussions. For casual conversation, '病気' is more appropriate.
Gold Rule
Precision in Medical Contexts
In medical or scientific writing, '疾病' is preferred over '病気' to convey a more precise and formal tone.
Word Origin
The term '疾病' is composed of two kanji: '疾' (shippou, meaning 'illness' or 'disease') and '病' (byou, meaning 'sickness'). The combination emphasizes a medical condition that disrupts normal bodily functions.
Usage Notes
'疾病' is more formal and technical than '病気' and is often used in medical or academic contexts. In everyday conversation, '病気' is more commonly used.