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A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury. [1] [2] Diseases are often known to be medical conditions that are associated with specific signs and symptoms.
Find easy-to-understand answers about diseases and conditions from Mayo Clinic experts. Search by letter, symptom, trial, or support group.
Mar 30, 2024 · Learn about disease, any harmful deviation from the normal state of an organism, and its causes, mechanisms, and consequences. Explore the major types of disease, such as noncommunicable, communicable, and inherited, and their examples and effects.
- DictionaryDis·ease/dəˈzēz/
noun
- 1. a disorder of structure or function in a human, animal, or plant, especially one that has a known cause and a distinctive group of symptoms, signs, or anatomical changes: "bacterial meningitis is a rare disease"
Feb 18, 2022 · Learn about the symptoms, causes and prevention of infectious diseases, which are disorders caused by organisms such as bacteria, viruses, fungi or parasites. Find out how to protect yourself from infections by washing your hands, getting vaccinated and avoiding contact with contaminated food or water.
Learn the meaning of disease as a condition that impairs normal functioning and is typically manifested by signs and symptoms. See synonyms, examples, word history, and related articles of disease.
Mar 27, 2024 · Learn what human disease is, how it differs from health and physical fitness, and what are some common types of diseases. Explore the causes, symptoms, and treatments of various diseases with Britannica's experts.
Apr 11, 2024 · Learn about the process and agents of infectious disease, which can impair a person's health and be spread from person to person. Explore the categories of bacteria, viruses, fungi, and parasites that cause various infections and how they are treated.
