- Disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms.
- Only infectious diseases can be transmitted—by humans, certain animals and insects, and infected objects and substances (see communicable diseases).
- Even though the types of diseases can be classified very broadly, the classification of diseases into infectious and non-infectious diseases is considered very apt.
- Non-alcoholic fatty liver disease (NAFLD). Non-Hodgkin lymphoma. ... Paget’s disease of the nipple. Pancreatic cancer. Panic disorder.
- DISEASE definition: 1. (an) illness of people, animals, plants, etc., caused by infection or a failure of health rather….
- Disease is a consequence of the functional and energetic capabilities of a living system that is trying to resist negative factors, such as viruses, fungi or bacteria.
- disease (countable and uncountable, plural diseases). ... The tomato plants had some kind of disease that left their leaves splotchy and fruit withered.
- A Disease is a condition that is strange and adversely influences the construction and working of organs or tissues or portions of a living creature.
- Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.